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Title: Photoelectric Colorimeter EEL, with set of filters and match [Go to resource]
Description: Photoelectric Colorimeter EEL, with set of filters and matched test tubes License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: colorimeter Temporal: 1900-1980 Source: Science Museum Creator: Evans Electroselenium Ltd. (maker) Identifier: 1994-815 Go to resource More Like this...
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