Balance
date: label: date made
content: around 1950
notes: label: Description
content: The inscriptions on the face of the dial of this balance read “PRECISION BALANCE / CAPACITY 1000 MG 1 DIVISION 5 MG / MADE BY / ROLLER-SMITH CO. / BETHLEHEM, PA. / U.S.A. / NO. 163873.” The Roller-Smith Company was incorporated in 1909, specialized in electrical instruments, and was making balances by the 1920s.
label: Description
content: This balance was used at the Worcester Foundation for Experimental Biology, a laboratory established in Shrewsbury, Massachusetts, in the 1940s. Gregory Good Pincus (1903-1967), a co-founder of the lab, specialized in the reproductive systems of mammals, and co-invented the combined oral contraceptive pill.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Bethlehem
topic: label: Subject
content: Weights & Measures
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of Worcester Foundation for Experimental Biology, Inc. (through Thoru Pederson)
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.0892.06.01
label: catalog number
content: 1991.0892.06.01
label: accession number
content: 1991.0892
objectType: label: Object Name
content: Microbalance
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 24.1 cm x 11.4 cm x 27.3 cm; 9 1/2 in x 4 1/2 in x 10 3/4 in
label: Measurements
content: overall: 10 3/8 in x 9 5/16 in x 4 3/8 in; 26.3525 cm x 23.65375 cm x 11.1125 cm