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Lantern slides for Garden and Historic House Lectures. Genthe Collection. [36] Over 470 photographic lantern slides. Ohio State University: Jerome Lawrence and Robert E. Lee Theatre Research Institute Columbus, Ohio Joel E. Rubin Collection. [37] The collection consists of materials relating to lighting design and equipment.
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 ...
The Slide Cube Projector is a slide projector and system, manufactured and marketed by Bell & Howell, which was introduced in 1970 and marketed through the 1980s.The projector derived its name from its transparent cubical plastic slide storage magazine, approximately 5.5 cm (2.2 in) in each dimension (a bit larger than a standard 135 film slide mount), that held 36 to 44 slides, depending on ...
A large-format slide projector (also often called large-format projector or large-image projector) is a kind of slide projector for large image projection which has a very powerful light source (up to 12 thousand watts using arc lamps). The light source generates a lot of heat even when filtered to only visible light; the projected transparency ...
This slide projector, sold under the Zeiss Ikon brand, uses a straight-through tray; a thin arm grabs slides from a tray and puts them into the light path; the tray is advanced along its length. At the front of the projector, the protruding projection lens features rings to control focal length and focus.
Kodak ended the production of slide projectors in October 2004. [ 198 ] One early Kodak product bridging digital technology with projection techniques was the Kodak Datashow, featuring a translucent liquid crystal display panel that was placed on an overhead projector instead of a conventional transparency, with the panel being connected to the ...