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In the US, street lights using sodium vapor were first installed on a rural highway near Port Jervis, New York, in 1933. [1] In 1938, a study of sodium vapor light use at selected intersections in Chicago claimed that the new lighting had helped to reduce the number of accidents in those areas.
Edward F. Caldwell, a portrait painter originally from Waterville, New York, became part of an active community of designers in New York City during the early 1880s.By the end of that decade and into the 1890s, Caldwell worked for, and later became chief designer and vice president of, the Archer & Pancoast Manufacturing Company of New York, top designers of gas lighting fixtures.
A street light, light pole, ... (light fixture) or a red light attached to the lamppost. ... Polish street lights from the 1930s.
Aerolux Light Corporation was a manufacturer of artful gas-discharge light bulbs from the 1930s through the 1970s. [1] Aerolux made these bulbs in a factory in New York City . US Patents dating back to the 1930s describe the design and construction of these bulbs.
Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon lights are a type of cold cathode gas-discharge light. A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at low pressure.
The ultraviolet light from mercury-vapor lamps was applied to water treatment by 1910. The Hewitt lamps used a large amount of mercury. In the 1930s, improved lamps of the modern form, developed by the Osram-GEC company, General Electric company and others led to widespread use of mercury-vapor lamps for general lighting.
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