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Have you ever noticed that old cars all have
the same headlights?

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Although automotive styling was all over the
place and wild as ever throughout the 20th century,

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from 1940 onwards headlights were always the same bug-eyed circles of glass.

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Sometimes they might be a little smaller and
there’d be two on each side of the car,

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and by the seventies we were afforded the luxury

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of rectangles.

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But until the 1980’s, every car, truck, dump truck, and bus
sold in the United States had more-or-less identical headlights.

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What was up with that?

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The answer is a good idea that got turned into a regulation

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that would then go on to go on a little too long.

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Those headlights of the past are known as sealed beam headlamps,

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and they’re more or less the same concept as a PAR lamp,
or parabolic aluminized reflector.

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I mean, I guess they are PAR lamps just a more specific subset.

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And the part that might seem slightly bonkers from today's perspective

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is that when you had a headlight go out,
you would go to the auto parts store and obtain…

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an entire headlight.

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That’s right, for all intents and purposes,
this is the bulb.

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In fact it’s not exactly, look through the front glass at the right angle and you’ll see a halogen bulb just chilling at the base of the reflector,

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but there’s no way to replace just that.

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When it burns out, this entire thing gets tossed.

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This lamp is sold today in 12V versions as H6024.

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The headlight has three pins on its electrical
connector because there are two filaments:

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one for the low or dipped beam and other for the high beam
 (you might know it as the driving or main beam).

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Although they’re very close to each other,

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their position near the focal point of the parabolic reflector results in a very different beam pattern depending on which filament is lit.

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Now, you might be thinking,

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“OK... so headlights used to be these big glass things
and they had a combined high and low beam function.

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Whoop-de-doo.”

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But you see, this wasn’t just “a” headlight,

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this was THE headlight.

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For seventeen years, every car sold was required to have two of these things.

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And in the US, we wouldn’t give up the idea
of sealed beam headlights until the 1984 model year.

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Today, this might sound absurd.

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And 1984 was ridiculously late -

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our Federal Motor Vehicle Safety Standards
have a long tradition of being decades behind the rest of the world,

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at least when it comes to lighting requirements.

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I mean, we still allow red turn signals in the rear!

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Somebody oughta make a video about how silly that is.

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But this wasn’t entirely a bad idea,

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and in fact as the years have gone on this has proven to have some unexpected advantages.

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You might ask, why’d we do this in the first place?

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Well, let’s rewind to the 1930’s.

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These automobile things are starting to get pretty popular,

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and with every manufacturer following their own inner light
when it came to marketing gimmicks

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(and also just finding suppliers for things),

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an ungodly mishmash of lighting equipment was out there.

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Sure, we had settled on electric lights at this point,

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and most manufacturers had even figured out the whole dipped beam and driving beam thing,

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but with no established standard...

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well good luck going on a road trip and finding a spare bulb outside of Schenectady.

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Setting aside the challenge of finding spares,
there’s also the issue of headlight performance.

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Headlights are not only critical for the driver of a car to see at night,
but they can also present a hazard to other drivers.

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If they’re too bright or aren’t aimed correctly, in the eyes of another driver they can become the wrong kind of dazzling.

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There’s a fine line here, and although not everybody would agree
on where exactly that line was

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(and that’s definitely still true today!)

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with enough experimentation and a dash of compromise
a standard performance benchmark was established.

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Ideally every car would have headlights that performed to that standard.

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Now, if only there were a way we could force all cars
to have lighting equipment which performed to that s—

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oh wait that’s exactly what we did.

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Every vehicle sold from 1940 until 1957,

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no matter if it was a Buick, a Volkswagen, a Plymouth, or a Studebaker,

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needed to accommodate and be equipped with two of these things.

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No ifs, ands, or buts, this was the headlight.

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You might find some fancy extra lights from
time to time, maybe fog lamps or even a wacky steerable lamp,

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but the basic lighting equipment was always the same two headlamps.

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Of course there were many manufacturers producing
this headlamp, and some were probably a little bit better than others,

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but the design and specifications were codified to the point 
that no matter what you drove,

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your headlights would perform similarly to everyone else’s,

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and no matter where you were every service garage
and parts store had spares for your car.

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Because there was only one thing it could be.

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And it was this!

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Sealed beam headlamps weren’t just for standardization, though.

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In fact, the name is important and explains
why we would just toss the whole thing when it burnt out.

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A lamp like this has a metal reflector to focus the filament's light,

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and one of the problems with metal is oxidation.

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Before the sealed-beam, reflectors in headlights
with replaceable bulbs would tarnish or even rust with time,

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greatly diminishing their effectiveness.

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Sealing the reflector inside of an evacuated
glass envelope meant it wouldn’t tarnish,

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and even if somehow it did - just replace it!

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And a huge advantage of codifying this as the one and only allowed headlight
was that all a new car needed to accommodate it

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was the right-size hole in its bodywork
and the matching electrical connector.

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To secure the headlight in place a locking ring
would surround the edges and clamp it to a receiving basket,

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and the basket could be adjusted with a pair of screws to aim the headlight both vertically and horizontally.

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These nubs on the face of the headlight were used for aiming.

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In conjunction with special tools which would rest on them,
you could determine whether they were level and pointing dead-ahead.

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If they were, then you knew they were aimed correctly -
no need to wait until dark to be sure.

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Frankly, this was a pretty well thought-out idea.

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Compliance with a standard is pretty easy
to assure when the standard is basically just…

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a weirdly particular light bulb.

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And automakers didn’t have to do any sort of testing or certification of their headlights on new cars because,

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I say again, this was the headlight!

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They just needed a hole for it.

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Ok, well, two.

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Slap one of those aiming contraptions on the front of the car,
set the screws accordingly,

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and that there automobile is certifiably road-legal!

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Well, after the taillights and other signal lights were certified.
Probably some other stuff to do, too.

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But the headlights?

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That work is already done.

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Eventually, people (by which I mean automotive executives)
grew bored of this single headlight option.

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Clamoring for a new selling point,
automakers would eventually convince regulators of the

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Magic of Having Two of Them…

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per side, that is.

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A new arrangement of two slightly smaller lamps:

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one a dual-filament lamp more or less like this one and another with a single high-intensity filament for extra bright high-beams

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was approved for use in 1957.

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And suddenly, service shops and parts stores
needed to stock three different headlights.

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Wait, no, older cars had 6 volt electrical systems.

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Gotta keep spares for those, too.

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Imagine the contemporary curmudgeons’ cacophonous complaints!

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But we wouldn’t stop there!

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In the seventies, nothing said "the future!" quite like rectangles,

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so rectangular versions of those two schemes were approved.

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A single, large rectangular lamp could be used per side,

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or the same quad-lamp scheme was also allowed - but rectangles.

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And in fact we wouldn’t even stop there.

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If my cursory glance of this here website didn’t fail me, we would eventually have eleven of these big glass honkers to keep track of.

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How positively gruesome!

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For the most part, though, a car sold in 1975
would have one of four headlight setups.

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It was either these big singles, round or square,

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or one of the two quad setups - again, your choice.

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Round or square.

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However, virtually all models switched to rectangular headlights
as soon as that was permitted,

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not only because it met the fashions of the day but their smaller size and flat front made them more dimensionally flexible.

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But, now you know why old cars all have the same headlights.

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They had but four choices.

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And that’s also why things like headlight covers
and pop-up designs started spreading.

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If you had to have the same glass on the front
of your car as everyone else,

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well to make its styling distinctive you needed some sort of gimmick!

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There’s only so much you can do otherwise.

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The last major change that would occur would
be the approval of halogen lamps.

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That’s right, this is actually an upgrade from the original specification.

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Before 1979, these things really were just a standardized,
oddly-shaped light bulb

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with a couple of tungsten filaments just hangin' out
in just the right places in front of the reflector.

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If 1979 sounds weirdly late for the innovation of halogen lights,

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that’s because it was.

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Things happening weirdly late is kind of a
running theme to the Federal Motor Vehicle Safety Standards.

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Videocassette recorders would hit the market
before halogen headlights were approved here.

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By the way, we don’t really need to get into it but the point of a halogen lamp

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is that by enclosing a tungsten filament in a small envelope filled with an inert gas and a bit of iodine or maybe bromine

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(those elements being among the… halogens)

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the filament can be run much hotter

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as the halogen molecules floating around in the hot gas will essentially capture little bits of the filament that might have sputtered off

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(which usually causes the filament to weaken and the glass of a light bulb to darken)

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and it'll just slap it back onto the filament which is pretty wild.

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The upshot is they can create a brighter and whiter light than ordinary incandescent lights and they also don’t lose brightness as they age.

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They’ll just, at some point, fail.

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Europe got to have halogen headlights in 1962, but not us.

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Oh, they were much too bright.

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Now, sealed beam headlights were not unique to the US but we clung onto them for…

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too long.

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Requiring them until 19 freaking 84 was frankly embarrassing.

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And to make matters worse, the limits on their use were quite strict.

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A key disadvantage of sealed beam headlights is that they kind of wreck the aerodynamic potential of a vehicle design.

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Now, a simple solution to this problem is to place them in a recess behind a sculpted clear cover which matches the contours of bodywork.

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But we didn’t allow that!

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As a matter of fact, we used to, but in 1968 it was decided -

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Nope! These have to have to be completely unobstructed when in use.

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That, combined with the fact that the rest of the world was moving away from these

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meant that there was a rather awkward period where imported cars had…

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let’s just call it, suboptimal faces.

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Styling consequences aside, though, it wasn’t all bad.

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The same fundamental benefit was still there - sure, maybe Toyota’s got a different headlight on their Corollas sold in Japan,

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but to make it road-legal in the US they didn’t need to design a new headlight —
they just needed to put the right socket in place,

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And, uh, try their best with bezels to make it look less goofy.

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Eventually, though, regulators would finally see the light

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and allow automakers to have their fun
and design sculpted headlights with replaceable lamps.

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Granting Ford’s petition in the summer of ‘83,

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the 1984 Lincoln Continental Mark VII would become
the first US-market car with custom composite headlights.

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In the coming years, most other cars would quickly follow suit

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and the sealed beam headlamp was relegated to base-model trucks and vans,
plus commercial vehicles here and there.

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Of course today, headlights have gone from a thing you just have to have

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to a full-on statement piece in car design,

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with brands having particular fun with daytime running light signatures.

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And some brands, like Hyundai, are even bringing things full-circle

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(or should I say square?) with very retro-inspired quad DRLs.

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You’re right, this was a huge draw for me.

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And I mean they’re also the front turn signals! 
How could I resist‽

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And it’s not just styling that’s better these days.

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High-intensity discharge and LED technologies
allow for much better nighttime visibility

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through drastically improved performance.

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We’ve had some issues with glare as those technologies roll out -

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the regulations here are frightfully lenient on that front.

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I’m glad organizations like the IIHS are
starting to comprehensively review car headlight performance.

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It seems like a thing we probably should have started
the moment we let automakers start fiddling with their own designs.

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But, with their trademark timeliness,
there’s actually good news on the glare front.

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The National Highway Traffic Safety Administration
has approved for the first time

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adaptive beam technology
which can selectively dim portions of the driving beam,

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blocking out small regions to reduce glare for other drivers 
while maintaining high illumination for you everywhere else.

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It’s basically like if your headlights were high resolution projectors and a camera says

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“ooh! there’s a car there, block out that part”
but everything else stays bright!

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So it’s like you have your high beams on
all the time but other drivers don’t even know it!

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That amazing tech has been on the European market since 2009.

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But it took thirteen years to get approved here.

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I mean, at least they beat their previous
seventeen year record for approving

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halogen lamps!
[through gritted teeth]

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However, while I’m definitely not about
to suggest that we go back to the…

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dark ages, adding more technology to headlights as we do it now
is not without consequences.

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As a matter of fact, simply moving away from
the sealed beam wasn’t without consequences.

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I bought these headlight modules for a 1996 Honda Civic

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back when I made my video on turn signal synchronization.

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They were surprisingly inexpensive at $80 for a pair, but
they’re also not a genuine Honda part.

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I have no idea how well these might actually perform as headlights.

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They are DOT compliant...

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supposedly, but having prior experience with aftermarket replacements like these,

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that doesn’t mean much.

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And you wanna know why I have prior experience
with aftermarket replacement like these?

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Because this is plastic.

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And y’know what happens with plastic
when it’s exposed to ultraviolet light over the years?

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Bad things, that’s what.

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My folks’ old minivan started getting cloudy
headlights after about a decade on the road,

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as many vehicles do these days.

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And back in the day I embarked on a journey to replace them.

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I found a similarly inexpensive aftermarket pair on eBay,

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and after the absolute chore that was removing the car’s front fascia
and extracting the modules,

215
00:16:13,362 --> 00:16:16,061
replacing them, and buttoning it all back up,

216
00:16:16,061 --> 00:16:23,930
I had a much-prettier-looking Honda Odyssey staring back at me
but with only marginally better headlights.

217
00:16:23,930 --> 00:16:30,570
The new modules had a completely different beam pattern from the old ones,
with particularly mediocre high-beams,

218
00:16:30,570 --> 00:16:35,501
and no matter how I adjusted their aim they just weren’t that great.

219
00:16:35,501 --> 00:16:37,660
And here’s a fun thing about sealed-beams:

220
00:16:37,660 --> 00:16:40,279
they’re made of glass.

221
00:16:40,279 --> 00:16:46,960
And that means they don’t oxidize and yellow with time
as is frightfully common with polycarbonate headlights.

222
00:16:46,960 --> 00:16:51,290
Now to be fair, there were bespoke headlights like this with glass lenses.

223
00:16:51,290 --> 00:16:55,839
Maybe some cars still have them today but it’s definitely not common these days.

224
00:16:55,839 --> 00:16:58,580
Oh, but y’know another really cool feature of these?

225
00:16:58,580 --> 00:17:03,070
If they should break, a replacement costs less than $15.

226
00:17:03,070 --> 00:17:08,317
No need to hunt down a specific module for a
2nd generation North American market Honda Odyssey -

227
00:17:08,317 --> 00:17:11,559
just pop into O’Napazone and get yourself a new one.

228
00:17:12,000 --> 00:17:14,086
Heck I got these at Walmart.

229
00:17:14,086 --> 00:17:18,271
And in case you’re thinking sealed beams just don’t perform well…

230
00:17:18,271 --> 00:17:20,769
honestly they’re not half bad!

231
00:17:20,769 --> 00:17:27,606
I’ve driven cars with three of the four common setups: 
quad rectangles, dual rectangles, and dual roundies.

232
00:17:27,606 --> 00:17:31,362
And frankly? To my admittedly subjective eyes,

233
00:17:31,362 --> 00:17:34,453
they were all better than average.

234
00:17:34,453 --> 00:17:38,671
As someone who spends a good deal of time
on country roads looking out for deer,

235
00:17:38,671 --> 00:17:44,343
the throw of the high beams from either of these
is superior to most modern cars I’ve driven.

236
00:17:44,343 --> 00:17:52,889
And I’m not kidding you, in fact, these are arguably a bit better 
at lighting up the open road than even my new car.

237
00:17:52,889 --> 00:18:00,927
They struggle a LOT, though, on the curvy windies - sealed beams have a very focused spot which is great for straightaways,

238
00:18:00,927 --> 00:18:07,669
but start curving even slightly (or even just crest a hill)
and you’ll wish for more broad coverage.

239
00:18:07,669 --> 00:18:12,230
So I’d still rather have my new car’s
modern LED setup on balance,

240
00:18:12,230 --> 00:18:15,350
but it’s not as if sealed beams are terrible.

241
00:18:15,350 --> 00:18:21,415
Because, and here’s the fun thing,
replacing the entire headlight when it goes out means…

242
00:18:21,415 --> 00:18:25,659
well you’re getting an entirely new headlight every time it goes out!

243
00:18:25,659 --> 00:18:32,320
And these actively got better over time,
in fact Sylvania even makes Silverstar versions of these.

244
00:18:32,320 --> 00:18:38,118
Think about cars made prior to 1979 - they had terrible headlights
by today’s standards.

245
00:18:38,118 --> 00:18:39,449
Not even halogen.

246
00:18:39,630 --> 00:18:44,853
But, because they all have the same headlight
sockets as any other contemporary car,

247
00:18:44,853 --> 00:18:50,468
I could slap one of these in and suddenly they have
headlight tech from decades in the future!

248
00:18:50,468 --> 00:18:53,223
And it’s not just halogen tech, oh no.

249
00:18:53,223 --> 00:18:59,797
Because these things are so large, there are now full-on LED drop-in replacements with modern optics,

250
00:18:59,797 --> 00:19:01,889
DOT approved and everything.

251
00:19:01,889 --> 00:19:06,310
No need to get all sketchy with a definitely-not-road-legal HID kit,

252
00:19:06,310 --> 00:19:13,126
just a simple headlight swap and a car from 1950 can have headlight tech from 2022.

253
00:19:13,126 --> 00:19:15,944
Or at least, like, 2010.

254
00:19:15,944 --> 00:19:20,255
Yeah OK this would totally ruin the look of that car, but for a fleet vehicle?

255
00:19:20,255 --> 00:19:21,586
Why not?

256
00:19:21,586 --> 00:19:26,060
In the end, it makes sense that we’ve mostly moved on from this concept.

257
00:19:26,060 --> 00:19:33,263
Some new vehicles, typically big things like buses and trucks,
are still getting made which use sealed beam headlamps, but

258
00:19:33,263 --> 00:19:35,284
it’s pretty rare to see these days.

259
00:19:35,284 --> 00:19:42,009
It seems just as common to find a box truck roaming around with some off-the-shelf car headlight module slapped on,

260
00:19:42,009 --> 00:19:47,135
like, uh, for instance these UPS trucks with headlights
from an Oldsmobile Alero.

261
00:19:47,135 --> 00:19:52,583
But frankly, it always seems odd to me when designers go through that trouble.

262
00:19:52,583 --> 00:19:57,351
Just stick a sealed beam in there with an off-the-shelf indicator and side marker!

263
00:19:57,351 --> 00:20:03,294
Road legal with literally none of that trouble,
and it usually makes the vehicle look much better, too.

264
00:20:03,294 --> 00:20:06,052
I mean, I see what you were going for here,

265
00:20:06,052 --> 00:20:09,482
but this other truck is much more friend-shaped.

266
00:20:09,482 --> 00:20:14,286
Will new passenger cars get sold again with sealed beam headlights?

267
00:20:14,286 --> 00:20:15,141
Probably not.

268
00:20:15,141 --> 00:20:19,828
But I do kinda hope we bring something like them into the future with us.

269
00:20:19,828 --> 00:20:27,668
Modern car headlight modules often have
nothing serviceable in there at all, and they’re not cheap to replace.

270
00:20:27,668 --> 00:20:34,147
There’s a lot to like about them,
and with LEDs we can hope that they last the life of the car.

271
00:20:34,147 --> 00:20:40,336
If they were designed right they should but
the real world tends to have other priorities.

272
00:20:40,336 --> 00:20:46,558
Sure, in 2022 mandating that cars all use
the same headlights ain’t gonna fly.

273
00:20:46,558 --> 00:20:51,101
[music fades in]
But you have to admit this wasn’t the worst idea.

274
00:20:51,101 --> 00:20:54,879
[music ends abruptly]
Just kidding! I have a piece of trivia for you before the bloopers.

275
00:20:54,879 --> 00:20:59,235
You may know of my absurd little car I bought
on a whim in the before times.

276
00:20:59,235 --> 00:21:05,269
existing entirely as an exercise in excessive eccentricity,
the Nissan Figaro’s vintage design mission

277
00:21:05,269 --> 00:21:09,430
incorporated headlights that are meant to look like sealed beams

278
00:21:09,817 --> 00:21:12,000
but in fact they are not.

279
00:21:12,000 --> 00:21:15,022
And that is actually a massive bummer.

280
00:21:15,280 --> 00:21:22,447
See one of those things many people don’t realize
when they import a vehicle from a wrong-hand-drive country

281
00:21:22,447 --> 00:21:25,801
is that the headlights are backwards.

282
00:21:25,801 --> 00:21:29,480
Headlights on the low-beam setting are generally not symmetrical.

283
00:21:30,000 --> 00:21:36,000
They are designed to throw more light towards
the shoulder and less light towards oncoming traffic.

284
00:21:36,000 --> 00:21:39,253
Often this is accomplished through a slanted beam cutoff,

285
00:21:39,253 --> 00:21:41,649
and that’s the case with the Figaro’s headlights.

286
00:21:42,217 --> 00:21:44,369
But, see, that’s backwards!

287
00:21:44,369 --> 00:21:48,615
It’s supposed to be driven in Japan
where they drive on the left side of the road,

288
00:21:48,615 --> 00:21:54,000
so it’s throwing more light to the left and less light to the right.

289
00:21:54,000 --> 00:21:58,887
That makes driving it at night here in the US absolutely terrifying.

290
00:21:58,887 --> 00:22:06,964
Visibility is atrocious and I once got to within just a few meters of a pedestrian on the sidewalk before I even saw them.

291
00:22:06,964 --> 00:22:09,858
They were on the sidewalk so it wasn’t a close call or anything

292
00:22:09,858 --> 00:22:12,279
but that scared the crap out of me.

293
00:22:12,279 --> 00:22:14,989
I don’t drive that car at night anymore.

294
00:22:14,989 --> 00:22:17,460
And it’s not an aim issue!

295
00:22:17,460 --> 00:22:21,085
As a matter of fact, the car's high-beams are great!

296
00:22:21,085 --> 00:22:26,759
Poor timing once caught me out in the country at night in the Figaro
and when I could use the high beams?

297
00:22:26,759 --> 00:22:28,940
No problem seeing anything!

298
00:22:28,940 --> 00:22:31,644
But as soon as there was oncoming traffic,

299
00:22:31,644 --> 00:22:39,729
dipping the headlights limited visibility on the shoulder so much that I slowed down to 40 miles an hour whenever I couldn’t keep the brights on.

300
00:22:39,729 --> 00:22:41,509
It’s that bad.

301
00:22:41,509 --> 00:22:45,049
The car just doesn't throw any light to the right.

302
00:22:45,049 --> 00:22:50,463
And, since the car IS throwing light to the left at oncoming traffic,

303
00:22:50,463 --> 00:22:54,601
I kept getting brights flashed at me.
And frankly I deserved it.

304
00:22:54,601 --> 00:22:58,707
If the car had sealed beam headlights and they were the right size

305
00:22:58,707 --> 00:23:06,344
I could just swap them out for US-spec ones and be done with it
but unfortunately that’s not really an option with this car.

306
00:23:06,344 --> 00:23:09,357
There is a kit which is meant to do this, but, see,

307
00:23:09,357 --> 00:23:16,501
the glass of the headlights curves with the shape of the body - 
that’s actually the giveaway that these aren’t really sealed beams.

308
00:23:16,501 --> 00:23:24,422
So while you can fit a US-spec sealed beam like this in those holes,
they'll never look right.

309
00:23:24,422 --> 00:23:29,798
And since this is a silly little toy car which
must be among the least practical cars ever built,

310
00:23:29,798 --> 00:23:37,648
and it’s old, small, light and barely crashworthy,
thus kinda risky to be driving in the first place but especially at night,

311
00:23:37,648 --> 00:23:40,319
methinks I’ll just leave it as is.

312
00:23:40,319 --> 00:23:47,528
But anyway, I'm just telling this story so that the next time you get an itch
to import a set of JDM headlights for your car -

313
00:23:47,528 --> 00:23:49,014
Don't do that.

314
00:23:49,014 --> 00:23:51,926
They’re backwards, and you will regret it.

315
00:23:52,288 --> 00:23:53,846
OK, now the bloopers.

316
00:23:54,701 --> 00:23:57,333
♫ belatedly smooth jazz ♫

317
00:23:59,115 --> 00:24:01,793
Sometimes they might even be a little smaller and…

318
00:24:01,793 --> 00:24:03,754
ooh. No.

319
00:24:03,754 --> 00:24:07,497
The headlight has three pins for uh, ohh…

320
00:24:08,530 --> 00:24:09,030
[thud]

321
00:24:09,030 --> 00:24:10,138
[wheeeeeeee]

322
00:24:10,138 --> 00:24:12,293
...ridiculously late.

323
00:24:12,293 --> 00:24:14,940
Our federal boodeuh beuhh bleewuuUURGH

324
00:24:15,741 --> 00:24:16,993
Our federmal…

325
00:24:16,993 --> 00:24:18,268
good gravy

326
00:24:18,268 --> 00:24:19,214
Our federmal…

327
00:24:20,299 --> 00:24:22,707
why am I having a hard time saying that?

328
00:24:22,707 --> 00:24:27,487
I bought these headlight modules for a
1996 Honda Civic back when I ma…

329
00:24:27,487 --> 00:24:28,798
this is upside-down, isn’t it?

330
00:24:28,798 --> 00:24:29,662
Of course it is.

331
00:24:32,271 --> 00:24:33,638
Of course it is.

332
00:24:33,638 --> 00:24:38,867
There’s a fine line here, and although not everybody would agree on where exactly that line was,

333
00:24:38,867 --> 00:24:41,574
and that’s definitely still true today

334
00:24:41,574 --> 00:24:42,879
...

335
00:24:42,879 --> 00:24:44,228
(yells)

336
00:24:44,228 --> 00:24:47,192
Of course there were many manufacturers producing
this headlump.

337
00:24:47,192 --> 00:24:49,179
Headlump?
[laughs]

338
00:24:50,470 --> 00:24:51,284
[yelly-grunt]

339
00:24:51,284 --> 00:24:57,086
Their smaller size meant that the front of them the beh de fwe nehminehm

340
00:24:57,086 --> 00:25:00,196
But, you see, this wasn’t just A headlight.

341
00:25:00,196 --> 00:25:02,459
This…

342
00:25:02,459 --> 00:25:04,312
[taps the glass]

343
00:25:05,758 --> 00:25:08,205
Yeah, so they were a pretty BRIGHT idea, huh?

344
00:25:08,205 --> 00:25:10,870
A really ILLUMINATING concept.

345
00:25:10,870 --> 00:25:14,389
Those 1940's folks were really LIGHTING THE WAY, right?

346
00:25:14,389 --> 00:25:16,650
It was a real LIGHT BULB moment.

347
00:25:16,650 --> 00:25:18,788
On PAR with the best.

348
00:25:20,211 --> 00:25:22,048
HALOGEN.