Scale
notes: label: Description
content: This ivory scale belonged to Spencer Fullerton Baird, the naturalist who served as the second Secretary of the Smithsonian. On the front is a six-inch ruler graduated into 50 and 60 parts, is a scale of chords, and a diagonal scale of inches and 1/100ths. The reverse side has scales of 55, 45, 40, 35, 30 25 and 20 parts to the inch. One edge is tapered.
label: Description
content: Ref: J. W. Queen & Co., <i>Catalogue of Mathematical and Engineering Instruments and Materials</i> (Philadelphia, 1880), p. 57.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.284286
label: catalog number
content: 284286
label: accession number
content: 55865
objectType: label: Object Name
content: Scale
physicalDescription: label: Measurements
content: overall: .2 cm x 15.4 cm x 3.4 cm; 3/32 in x 6 1/16 in x 1 11/32 in
label: Measurements
content: overall: 1/16 in x 6 1/16 in x 1 5/16 in; .15875 cm x 15.39875 cm x 3.33375 cm