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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.
The lamp-foot was made from a human foot and shinbone; on the shade one saw tattoos and even nipples. On the occasion of the birthday party of Koch [August 1941] he was tasked by the camp doctor Hoven to bring the lamp to the Kochs' villa. This he did. One of the party guests told him later that the presentation of the lamp had been a huge success.
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
In 2015, Colorado University-Boulder put its remaining 225 projectors out to pasture, just one of many schools, institutions and facilities that have opted for the countless better, smaller ...
A three-chip DLP projector uses a prism to split light from the lamp, and each primary color of light is then routed to its own DMD chip, then recombined and routed out through the lens. Three chip systems are found in higher-end home theater projectors, large venue projectors and DLP Cinema projection systems found in digital movie theaters.
The original choice of lamp—the GE Marc 350 projector lamp, a discharge lamp with a daylight colour temperature caused several problems and a less powerful, 250W lamp had to be substituted. The Osram HTI 250 was selected as the replacement lamp for the new VL2 after the company experienced significant troubles with the original GE MARC350 lamp.
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