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Before and after those years, vehicles could have model-specific, nonstandard-shape headlamps, using any of a wide variety of replaceable light bulbs. Between 1940 and 1956, all U.S. cars had to have two 7-inch (178 mm) round headlamps with dual filaments, so each lamp provided both a high and a low beam light distribution.
In 1909, Wagner Electric started manufacturing their first automotive headlamp bulbs. Wagner Electric Company Strike, May 3, 1918. The International Association of Machinists held a strike at the Wagner Electric Company in St. Louis, Missouri from June 4 to October 7, 1918. [1] [2] Before it became part of a conglomerate, Wagner had three main ...
Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used. Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers.
HID Headlamp Kelvin Chart. The choice of metal additives and their concentrations enables lamp manufacturers to create HID lamps with distinct color temperatures and spectral characteristics to meet different lighting needs. The majority of HID lamps are produced in the color temperature range of 5000K to 6000K, which is similar to natural ...
A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, headlamp is the term for the device itself and headlight is the term for the beam of light produced and distributed by the device.
A headlight tester comprises a fully adjustable single optical collimated light lens assembly which is typically mounted on a vertical column or rail. The assembly is adjusted vertically to the actual height of the headlamp, which is typically around 500mm for passenger vehicles, but can be significantly higher for heavy goods vehicles (HGVs).
acethylene.com A comprehensive guide to the care and maintenance of acetylene gas lamps; A User's Guide to Carbide Cap Lamps. Has many good pictures & videos. Carbide lamp Demonstration experiment: Instruction and video; The Carbide Caver A website on the history, restoration, and use of carbide lamps for caving.
The Wagner Manufacturing Company was a family-owned manufacturer of cast iron and aluminum products based in Sidney, Ohio, US. It made products for domestic use such as frying pans, casseroles, kettles and baking trays, and also made metal products other than cookware.