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Title: Three inch lens with dust cap, by J H Dallmeyer, London used [Go to resource]
Description: Three inch lens with dust cap, by J H Dallmeyer, London used by Robert W Paul on "moving picture" projector, 1896, serial no. 55820 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1896 Source: Science Museum Creator: Dallmeyer Identifier: 1930-235 Go to resource More Like this...
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