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Check on E Bay. They are listed from 5$ to 25$.
Put a request on Craig's List on the internet or go shopping at estate sales. I've seen them at both in Texas.
No, a movie projector uses a convex lens.
The movie projector: The "lumiere" brothers (French). As for the phonograph, I dont know.
It is called a projector or a movie projector.
The movie projector uses light to project a picture. These running pictures are what people see when they watch a movie.
Mechanical
Well i put my face in front a movie projector and nothing happens its really bright though.
One answer is when an overhead/movie/computer projector does not fit the projector screen area correctly and lines can be seen around the intended area.
in was invented in 1860's
A bioscope is an early form of movie projector.
A bioscope is an early form of movie projector.