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Title: Experimental glass negative of 40 ft [Go to resource]
Description: Experimental glass negative of 40 ft. telescope in leather case, 1839. M.F.H. Cat. No. 35. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1839 Source: Science Museum Identifier: 1943-37 Go to resource More Like this...
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