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File:Duboscq colorimeter 1870.jpg

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Duboscq_colorimeter_1870.jpg (321 × 506 pixels, file size: 27 KB, MIME type: image/jpeg)

Summary

Description
English: Drawing of one of the first colorimeters, built by Jules Duboscq in France.
Date
Source Page 153 of Chemical News (March, 1870)
Author William Crookes, Editor

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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United States
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Date/TimeThumbnailDimensionsUserComment
current00:15, 6 July 2008Thumbnail for version as of 00:15, 6 July 2008321 × 506 (27 KB)Astrochemist{{Information |Description={{en|1=Drawing of one of the first colorimeters, built by Jules Duboscq in France.}} |Source=Page 153 of ''Chemical News'' (March, 1870) |Author=William Crookes, Editor |Date=1870 |Permission= |other_versions= }} See [http://boo

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