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Title: Holophane-Edgcumbe Auto-photometer in box, serial no [Go to resource]
Description: Holophane-Edgcumbe Auto-photometer in box, serial no.567848, made in England, 1940-1980 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1993-699 Go to resource More Like this...
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