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Minnesota Educational Media Organization (MEMO) Equipment Archive


Beseler Model OA3 Opaque Projector

Beseler Model OA3 Opaque Projector

Charles Beseler Company, New York, N.Y.

Opaque projectors, like the model OA3, were very popular with teachers because they could projector a wide variety of materials, from graphics to actual objects, without tedious preparatory work

Donated by Owatonna High School, 1988

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