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Title: Photo-heliograph. Image SME No. 62; 1876 Catalogue No. 1853. [Go to resource]
Description: Photo-heliograph. Image SME No. 62; 1876 Catalogue No. 1853. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: photographs Temporal: 1876 Source: Science Museum Identifier: 1992-32/19 Go to resource More Like this...
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