Film holder

Details Film holder Film holder

1986-04-24

1989-07-25

Holtje, Nelson C.

Photography and optical equipment

Projector or viewer

Element or attachment

354276, 354275, 354283

Patent

active

D03024342

REFERENCES:
patent: 1267159 (1918-05-01), Zuckerman
patent: 2450841 (1948-10-01), Moore
patent: 2676901 (1954-04-01), Panosian
Burke & James, Inc., Cataloge, 1966, 43, Film Holder top left.

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