G - Physics – 03 – B
Patent
G - Physics
03
B
88/72
G03B 21/10 (2006.01) G03B 21/11 (2006.01)
Patent
CA 1142002
ABSTRACT A desk top microfilm reader and work station having a rectangular base enclosing a film housing and projection system. The base has a flat top surfact which functions as an operator work surface and an image projection surface. A support arm rises vertically from the base and a hood is attached near the top of the support arm. There are illumination lamps and a mirror in the hood. The lamps illuminate the work surface and are turned off when a micro image is to be projected onto the image projection surface. The optical projection path from the projection system to the mirror in the hood and back to the projection surface is unenclosed.
373292
Overman John W.
Wells Thomas R.
Bell & Howell Company
Meredith & Finlayson
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