Colorimeter

Colorimeter

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Description
A colorimeter compares the color of a sample with that of a standard, often for industrial purposes. Louis Jules Duboscq, a major optical instrument maker in Paris, devised an important early form. This example is of that sort. Joseph Henry, the physicist who served as founding Secretary of the Smithsonian, probably acquired it for the Insitution.
Ref: Deborah J. Warner, “The Duboscq Colorimeter,” Bulletin of the Scientific Instrument Society 88 (2006): 68-70.
Location
Currently not on view
Object Name
Colorimeter
Associated Place
United States: New Jersey
Measurements
base: 6 in x 7 in; 15.24 cm x 17.78 cm
overall: 19 in x 5 1/2 in; 48.26 cm x 13.97 cm
overall: 19 3/16 in x 7 1/4 in x 7 3/8 in; 48.73625 cm x 18.415 cm x 18.7325 cm
ID Number
CH.322446
catalog number
322446
accession number
248010
Credit Line
Transfer from Smithsonian Institution Astrophysical Observatory
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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