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According to the Best Buy website, an iPad Pro 12.9-inch (3 rd generation) is worth $325. Not all models are eligible for trade-ins. As with other electronics, the condition, documentation and ...
Best Buy's slogan is: "Expert service. Unbeatable price." In fact, the electronics chain with more than 1,400 stores claims that it "offers expert service at an unbeatable price more than 1.5 ...
The Kinodrome 35-mm projector mechanism, introduced in 1907, steadied projected images and reduced the flicker that can occur during motion-picture projection. [4] The 35-mm perforator, introduced in 1910, set the standard throughout the industry as to the expected distance and width of the sprocket holes running on each side of the 35-mm film ...
An overhead projector works on the same principle as a slide projector, in which a focusing lens projects light from an illuminated slide onto a projection screen where a real image is formed. However some differences are necessitated by the much larger size of the transparencies used (generally the size of a printed page), and the requirement ...
Acer projector, 2012 DLP type home theatre projector in use. 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 ...
The Polylux was an overhead projector produced in the German Democratic Republic (GDR). It also functioned as a generic name for overhead projectors in the GDR. The Polylux was produced in the VEB ( Volkseigener Betrieb : people’s enterprise) Phylatex-Physikgeräte DDR, in Frankenberg near Chemnitz (then known as Karl-Marx-Stadt ).