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Title: Camera obscura, box-type, with 2 3/8-inch meniscus lens conc [Go to resource]
Description: Camera obscura, box-type, with 2 3/8-inch meniscus lens concavo-convex of about 11-inches focal length, c. 1850. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: optical drawing aid - camera obscura Temporal: 1845-1855 Source: Science Museum Identifier: 1907-86 Go to resource More Like this...
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