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2. List of lantern slide collections - Wikipedia

   en.wikipedia.org/wiki/List_of_lantern_slide...

   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.

3. Magic lantern - Wikipedia

   en.wikipedia.org/wiki/Magic_lantern

   galvanometer slide: a flattened coil with a magnetized needle moving from side to side when a battery is connected. projection of moving frog legs, with the nerves and muscles of severed frog legs connected to electric wires. hour-glass projection: the projection of a flattened hourglass showed the sand flowing upwards.

4. Slide projector - Wikipedia

   en.wikipedia.org/wiki/Slide_projector

   Slide projector light generation and collimation system: from left to right, mirror / reflector, bulb, condenser lens 1, green-tinted heat-absorbing glass, condenser lens 2; a centrifugal fan, used to cool the bulb, is visible at the top of the picture. A projector has three main optical elements: [3]: 39–40

5. Today only: This top-rated mini outdoor projector is down to ...

   www.aol.com/lifestyle/top-rated-mini-outdoor...

   Make al fresco movie nights happen for a steal.

6. Slide cube projector - Wikipedia

   en.wikipedia.org/wiki/Slide_Cube_projector

   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 ...

7. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   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 ...