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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 ...
In 1934, Bell & Howell introduced their first amateur 8mm movie projector, in 1935 the Filmo Straight Eight camera, and in 1936 the Double-Run Filmo 8. The 1938 Kodak cassette holding 25 feet (7.6 m) of Double-Eight film was taken by the Filmo Auto-8 in 1940.
Bell & Howell 8 mm amateur camera Filmo Straight Eight. When Kodak introduced 8 mm film in 1932, Bell & Howell was slow to take up the new format, and when it did so, it was not in the form of the Kodak standard. The first 8 mm Filmo was offered in 1935 as a single run 8mm film camera, the Filmo 127-A called Straight Eight.
English: Operating the Bell & Howell Filmo 16 mm projector. Svenska: Bell & Howell Filmo 16 mm projector. Date: 9 October 2015: Source:
This projector had provision to reduce lamp power by 20% to double its life (50 hours at full brightness). [4] Light from the bulb is modified from a point source by reflection and passing through condenser lens(es) to generate a collimated beam, which is then directed through the slide. A flat piece of heat-absorbing glass is usually placed in ...
50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. KP-7200 [36] Sony: 1978: No : 480i : 50 [37] Analogue:
Bell & Howell also built the successful 16 mm "Filmo" which became first available at the end of 1923. In the 1930s, this camera was marketed as a 'semi professional' camera while the Filmo 127 was introduced as an amateur camera using 8 mm film .
Ultra-high-performance lamp. An ultra-high-performance lamp, often known by the Philips trademark UHP, is a high-pressure mercury arc lamp. [1] These were originally known as ultra-high-pressure lamps, [2] [3] because the internal pressure can rise to as much as 200 atmospheres when the lamp reaches its operating temperature.
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