Comparison of Gold and Silver Alloys
date: label: Date made
content: 1898
notes: label: Description
content: Small circular brass box containing 36 samples of silver/gold alloys, ranging from 0 to 100% silver, mounted on a porcelain plate marked “Gold-Silber-Tafel.” The box is marked “Herr Professor Richards zur freundl. Erinnerung an V. Goldschmidt Heidelberg 1898.” Victor Goldschmidt, a professor of metallurgy at the University of Heidelberg, gave this comparator to Robert Hallowell Richards, a metallurgist and mining engineer at M.I.T. Richards gave it to the metallurgist, Gar A. Roush; and Roush’s widow gave it to the Smithsonian.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of Mrs. G. A. Roush
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CH.315919
label: accession number
content: 222975
label: catalog number
content: 315919
objectType: label: Object Name
content: comparator, gold-silver alloys
physicalDescription: label: Measurements
content: box: 2 1/2 in x 1/4 in; 6.35 cm x .635 cm
label: Measurements
content: overall: 1/2 in x 2 5/8 in; 1.27 cm x 6.6675 cm