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Minnesota Educational Media Organization (MEMO) Equipment Archive


Balopticon Opaque/Slide Projector

Balopticon Opaque/Slide Projector

Bausch & Lomb Optical Co., Rochester, New York, c. 1938.

The versatility of this Balopticon projector allowed educators to project lantern slides and films, photographs, and actual objects.

Donated by M. I. Smith, 1971

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