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Title: SEI Exposure Photometer, made in England, in leather case (c [Go to resource]
Description: SEI Exposure Photometer, made in England, in leather case (case lacks carrying strap) probable date 1960-1969. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: exposure photometer Temporal: 1960-1969 Source: Science Museum Identifier: 2001-116 Go to resource More Like this...
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