Photographic slide projector

Details Photographic slide projector Photographic slide projector

1977-10-14

1979-12-18

Ansher, Bernard

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D16 14, D1602

Patent

active

D02537087

REFERENCES:
patent: D219553 (1970-12-01), Oberheim
patent: D228955 (1973-10-01), Mango et al.
patent: D234541 (1975-03-01), Sobotta

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