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2. Northover Projector - Wikipedia

   en.wikipedia.org/wiki/Northover_Projector

   251 m (274 yd) The Projector, 2.5 inch —more commonly known as the Northover Projector —was an ad hoc anti-tank weapon used by the British Army and Home Guard during the Second World War . With a German invasion of Great Britain seeming likely after the defeat in the Battle of France, most available weaponry was diverted to the regular ...

3. List of CRT video projectors - Wikipedia

   en.wikipedia.org/wiki/List_of_CRT_video_projectors

   Internal prism focus system with a single projection lens. 50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen brightness. 50 inch screen projector.

4. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   Predecessors Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.

5. The 10 Best Projectors of 2022 for Every Budget, Tested and ...

   www.aol.com/lifestyle/10-best-projectors-2022...

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6. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp, metal halide lamp, LED or solid state blue, RB, RGB or remote fiber-optic RGB lasers ...

7. Zeiss projector - Wikipedia

   en.wikipedia.org/wiki/Zeiss_projector

   Zeiss projectors are designed to sit in the middle of a dark, dome -covered room and project an accurate image of the stars and other astronomical objects on the dome. They are generally large, complicated, and imposing machines. The first Zeiss Mark I projector (the first planetarium projector in the world) was installed in the Deutsches ...