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Title: Sound head for 35mm projector, 1928 [Go to resource]
Description: Sound head for British Talking Pictures Kalee 8 projector. Mechanism only; photocell, objective lens, exciter lamp and housing missing. No 9761. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sound head Temporal: 1928 Source: Science Museum Identifier: 1990-5036/7977 Go to resource More Like this...
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