Headlight technology has come a long way since the heyday of the sealed beam, and upgrades are plentiful, but which is best? By James Gilboy Updated Jul 29, 2019 3:33 PM EDT ...

Automakers started replacing sealed-beam lights with quartz-iodine technology in 1973. Quartz-Iodine. Stuart Tyson. Sylvania Silverstar H13 1. Quartz Glass 2. Support Strut 3. High Beam 4.

Federal regulations were expanded slightly in 1957 to allow automakers the option of using four smaller 5 3/4-inch sealed beam (PAR46) headlights. By 1958, most of the pricey American cars ...

Sealed beam headlights work a lot better than you’d think if you only ever read marketing material. They offer plenty of down-road visibility, and you can comfortably navigate dark backroads ...

Replacing and Adjusting Sealed-Beam Headlights. Older vehicles have sealed-beam units, which are relatively easy to deal with. If one of your headlights ceases to shine, ...

Starting in 1940, U.S. automakers agreed on the round seven-inch sealed-beam as the universal standard headlight. It made replacing a broken lamp easy, no matter the car’s make or model.

Sleek, stylish, and full of retro charm -- discover the lost art of hidden headlights in 20th century automotive design.

I may be wrong, but I think that the GMC Savana Cargo Van (well, and its Chevy badge-brother) is the last remaining mass-market vehicle you can buy that comes with plain (rectangular, in this case ...

General Electric created the sealed-beam headlight in 1939, which used an electric bulb, a reflector, and a glass lens to point the light forward for clearer visibility.

It wasn't always this way. From the 1950s to the 1980s, vehicles used sealed-beam headlights, which didn't produce enough light to keep drivers safe on the road.