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Title: Aldis Minor slide projector [Go to resource]
Description: Aldis Minor projector. For 2 x 2 inch slides. 100w, 240v, A1 lamp prefocus. With three condenser lenses and mirror. Helical focusing movement. coated Petzval type projection lens. Two elevating screws. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: transparency projector Temporal: 1953 Source: Science Museum Creator: Aldis Brothers Identifier: 1990-5036/2720 Go to resource More Like this...
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