Analytical Balance
date: label: date made
content: around 1900
name: label: maker
content: Bosch Brothers
notes: label: Description
content: This analytical balance has a circular aluminum beam, agate bearings and knife edges, platinum plated pans, and a mahogany and glass case. It was made by Gebrüder Bosch (Bosch Brothers), an instrument firm in Jungingen, in southern Germany, that dates from 1852. The inscription on the ivory scale reads “Bausch & Lomb Optical Co. ROCHESTER, N.Y.” The “GESETZ GESCH.” inscription on the beam frame is German for legally protected.
label: Description
content: Ref: Bosch Brothers, <i>Illustrated Price-List of Chemical, Analytical and Physical Balances, Weights and Chemical-Pharmaceutical Apparatus</i> (Jungingen, 1902), pp. 13-17.
label: Description
content: Bausch & Lomb Optical Co., <i>Apparatus and Supplies for Chemical and Biological Laboratories</i> (Rochester, 1904), p. 19.
label: Description
content: Ludwig Bosch and Hans R. Jenneman, eds., <i>Festschrift zum 125 jährigen Jubiläum der Firma Gebr. Bosch</i> (Juningen, 1977).
label: Location
content: Currently not on view
place: label: place sold
content: United States: New York, Rochester
label: place made
content: Germany: Baden-Württemberg, Jungingen
topic: label: Subject
content: Weights & Measures
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of University of Iowa Department of Chemistry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CH.315948
label: catalog number
content: 315948
label: accession number
content: 222976
objectType: label: Object Name
content: Analytical Balance
label: Object Type
content: Balances
physicalDescription: label: Measurements
content: each pan: 87 mm; x 3 7/16 in
label: Measurements
content: overall: 50 cm x 43 cm x 30.2 cm; 19 11/16 in x 16 15/16 in x 11 7/8 in
label: Measurements
content: beam: 140 mm; 5 1/2 in