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The Fostoria Shade and Lamp Company was the largest manufacturer of glass lamps in the United States during the early 1890s. It began operations in Fostoria, Ohio , on May 17, 1890. The plant was run by Nicholas Kopp Jr., a former chemist at Hobbs, Brockunier and Company in West Virginia .
Some Fostoria oil and electric lamps and hand-decorated vases, 1904. In 1899, the company became associated with the National Glass Company, which was a corporate trust. Co-founder Lucien Martin left the firm in 1901 to work in Pittsburgh for National Glass. Another co-founder, William Brady, also moved to the Pittsburgh firm a short time later ...
Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb on a lamp to redirect the light it emits. The shade is often affixed onto a light fixture to reduce the intensity of the light to observers, shield the light from a harsh environment, or for decoration by altering the color or creating shadows.
An example of Fostoria's gas problem occurred in October 1894, when lack of gas pressure forced Seneca Glass and Fostoria Shade and Lamp to temporarily shut down. [49] Despite the gas problem, the Seneca Glass works employed over 230 people in 1895. Although there had been talk of expansion, the company was considering moving. [44]
The portable or table lamp is probably the most common fixture, found in many homes and offices. The standard lamp and shade that sits on a table is general lighting, while the desk lamp is considered task lighting. Magnifier lamps are also task lighting. Animated fountain in Moscow's Square of Europe, lit at night
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A 50-hour-life projection bulb, for instance, is designed to operate only 50 °C (122 °F) below that melting point. Such a lamp may achieve up to 22 lumens per watt, compared with 17.5 for a 750-hour general service lamp. [76] Lamps of the same power rating but designed for different voltages have different luminous efficacy.
A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure.
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