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  2. Parabolic aluminized reflector - Wikipedia

    en.wikipedia.org/wiki/Parabolic_aluminized_reflector

    Two Mercedes-Benz SLs: right with US-spec sealed-beam headlamps; left with European-spec composite replaceable-bulb headlamps In the United States of America, sealed-beam headlamps were introduced in 1939, becoming standard equipment across all American-market vehicles starting in 1940 and remaining the only type allowed for almost four and a ...

  3. Headlamp - Wikipedia

    en.wikipedia.org/wiki/Headlamp

    U.S. standard 7-inch headlamp combining low and high beam with turn signal lights below on a 1949 Nash 600 Glass-covered 5¾" sealed beam headlamps on a 1965 Chrysler 300 Rectangular sealed-beam headlamps with turn signal light below on a 1979 AMC Concord. Headlight design in the U.S. changed very little from 1940 to 1983. [7] [16]

  4. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    [2] [3] [4] Tail lights and brake lights were introduced around 1915, and by 1919, low-beam or dipped beam headlights were available. Sealed beam headlights were introduced in 1936 and standardized as the only acceptable type in the US in 1940. Self-cancelling turn signals were developed in 1940.

  5. List of automotive light bulb types - Wikipedia

    en.wikipedia.org/wiki/List_of_automotive_light...

    Replaceable Light Sources for Vehicle Headlamps; Bulb Type Trade Number Cap (Base) Filaments Nominal power @ 12.8v (High/Low beam where applicable) Comments Image HB1 9004 P29t 2 65 / 45 W HB2 9003 P43t-38 2 60 / 55 W H4 with stricter geometric tolerances HB3 9005 P20d (90°) 1 65 W HB3A 9005XS P20d (straight) 1 65 W HB3 w/180° straight base ...

  6. Tung-Sol - Wikipedia

    en.wikipedia.org/wiki/Tung-Sol

    Vision-Aid headlamps came in standard 7" size for traffic and weather use. Their 1959 A-21 Lamp Catalog provided physical and electrical specifications of 284 miniature and sealed beam lamps. [116] Tung-Sol 5.75' high and low (2 marking) beam headlights with TS logo after 1964 production change on original 1970 AMC Rebel

  7. Live Updates: Nasdaq Composite Flat But NVIDIA (NVDA ... - AOL

    www.aol.com/live-updates-nasdaq-composite-flat...

    As of 9 a.m. ET, markets are largely flat in premarket trading. Nasdaq Futures: Up 15.25 (+.07%) S&P 500 Futures: +13.75 (.23%) Dow Jones Futures: +117.00 (+.27%) After several days of Nasdaq ...

  8. Stock Market Today: Nasdaq Composite Crashes - AOL

    www.aol.com/stock-market-today-nasdaq-composite...

    Technology stocks are poised to see painful drops across the board on Monday. As of 8:20 a.m. ET, here’s where major indexes are trading in premarket: Dow Jones Industrial Average: Down 328 ...

  9. Daytime running lamp - Wikipedia

    en.wikipedia.org/wiki/Daytime_running_lamp

    Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...