Microfilm reader

Details Microfilm reader Microfilm reader

1978-08-21

1981-08-04

Kemper, Catherine E.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1603

Patent

active

D02600960

REFERENCES:
patent: D229352 (1973-11-01), Furuoka
patent: 3224326 (1965-12-01), Brownscombe
patent: 4033685 (1977-07-01), Uno et al.

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