Search results
Results from the WOW.Com Content Network
The post was designed by Wood with input from PEPCO officials. Because commissioners felt that adequate illumination could only be delivered by two lights, the post had a cross-arm at the top. The post simple in its design, contained room for electrical wires and equipment in its hollow shaft and base, and was easily cleaned. [43]
' hanging lamp '), which usually hang from the eaves of a roof, and dai-dōrō (台灯籠, lit. ' platform lamp '), used in gardens and along the approach of a shrine or temple. [3] The two most common types of dai-dōrō are the bronze lantern and the stone lantern, which look like hanging lanterns laid to rest on a pedestal.
1981 Thorn Lighting Group exhibits the ceramic metal-halide lamp. 1985 Osram answers with the first electronic Energy Saving Lamps to be very successful [5] 1987 Ching Wan Tang and Steven Van Slyke at Eastman Kodak create the first practical organic light-emitting diode (OLED). 1990 Michael Ury, Charles Wood, and several colleagues develop the ...
In 1980, the annual operating cost for the average incandescent lamp was $280; for mercury vapor lamps, it was $128; and for low-pressure sodium vapor lamps, it was $60 a year. [1] Meanwhile, high-pressure sodium vapor lamps cost only $44 a year to operate, with a standard life expectancy of 15,000 hours, which also helped to lower labor and ...
A street light, light pole, lamp pole, lamppost, streetlamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Similar lights may be found on a railway platform .
Urban Light (2008) is a large-scale assemblage sculpture by Chris Burden located at the Wilshire Boulevard entrance to the Los Angeles County Museum of Art (LACMA). The 2008 installation consists of restored street lamps from the 1920s and 1930s.
An electric light, lamp, or light bulb is an electrical component that produces light.It is the most common form of artificial lighting.Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well.
Seal oil lamps. The Inuit oil lamps were made mainly of soapstone, but there are also some made of a special kind of pottery. [12] Sizes and shapes of lamps could be different, but most were either elliptical or half-moon shaped. [13] The taqquti or wick trimmers, also known as lamp feeders, were made of wood, willow, soapstone, bone or ivory. [14]