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2. Philips DP70 - Wikipedia

   en.wikipedia.org/wiki/Philips_DP70

   Philips DP70. The DP70 is a model of motion picture projector, of which approximately 1,500 were manufactured by the Electro-Acoustics Division of Philips between 1954 and about 1968. [1] It is notable for having been the first mass-produced theater projector in which 4/35 and 5/70 prints could be projected by a single machine, thereby enabling ...

3. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.

4. Bell & Howell - Wikipedia

   en.wikipedia.org/wiki/Bell_&_Howell

   Headquarters. Durham, North Carolina. , United States. Website. www.bellhowell.net. Bell and Howell is a United States brand of cameras, lenses, and motion picture machinery. It was originally founded as a company in 1907, and headquartered in Wheeling, Illinois. The company was acquired by Böwe Systec in 2003.

5. Carousel slide projector - Wikipedia

   en.wikipedia.org/wiki/Carousel_slide_projector

   A carousel slide projector is a slide projector that uses a rotary tray to store slides, used to project slide photographs and to create slideshows. It was first patented on May 11, 1965, by David E. Hansen of Fairport, New York. Hansen was an industrial designer at the Eastman Kodak Company. [1] A patent for the rotary tray was granted in 1966 ...

6. History of film technology - Wikipedia

   en.wikipedia.org/wiki/History_of_film_technology

   History of film technology. The history of film technology traces the development of techniques for the recording, construction and presentation of motion pictures. When the film medium came about in the 19th century, there already was a centuries old tradition of screening moving images through shadow play and the magic lantern that were very ...

7. Cinerama - Wikipedia

   en.wikipedia.org/wiki/Cinerama

   Cinerama is a widescreen process that originally projected images simultaneously from three synchronized 35mm projectors onto a huge, deeply curved screen, subtending 146-degrees of arc. [2][3] The trademarked process was marketed by the Cinerama corporation.