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Scientific Apparatus
Filmo projector bulb, with box
Patent number 1,675,554. Nothing more is known about this item. It does not seem to be described in any of the Mendenhall correspondence. Manufacturer: Bell and Howell Co.
ID: 1981-00020
Mendenhall, Hallam E.
LENGTH: 5.5 inches approx.; QUANTITY: 1
Topics: Electronics
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