Imaging and illumination system for microfilm reader - has diffusor inserted between lens and screen during fast film transport
DE2833839A1
Micro sheet film cassette - has glass plates to hold film flat and springs locating against corner of frame
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Microfilm reader system with revolving turret - has two lenses for high magnification of projected image
DE2644842A1
Half-tone desk mounted photocopier - with pivoted mirrors and self-processing camera body on image plane
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Microfilm reader for simultaneous projection - uses two separate optical systems superimposed on screen at fixed spacing
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Reading aid for transmitted light projector - has opaque or transparent indicator near screen and moved parallel to it
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Positioning device for microfilms in planar projector - has lateral beam attached to series of parallel, radially divergent rods on rotatable axially movable axle
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Microfilm projector for interchangeable film media - allows viewing with different magnification and intensity
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INDEXING DEVICE FOR MICROFILE READER
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Illuminator for microcard reader - is mounted in ventilated duct in rear to prevent heating of microcard
