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The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade, usually positioned 1000 ft (300 m) away and wherever possible set at the same level. The projector is normally set at 90°, although 71° 31' may be used, in relation to ...
Here's a list of the best projectors you can buy at all price points, as well as tips and tricks for shopping for a projector.
Typically that kind of setup would start with a projector — one that requires a complicated ceiling mount, with wires fished through drywall to some kind of complicated audio setup, which itself ...
Nick Pino of TechRader penned a mostly negative review in 2014 of the home projector Optoma GT1080, criticising the sound quality and the lack of adaptability in which a 100-inch image was created when moving the projector a distance of five feet. He concluded, "Unless you’re in desperate need of a short-throw projector for that pitch-black ...
A projection clock (also called ceiling clock) is an analogue or digital clock equipped with a projector that creates an enlarged image of the clock face or display on any surface usable as a projection screen, most often the ceiling. [1] The clock can be placed almost anywhere if only the projected image must be seen.
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