Gunter's Scale
notes: label: Description
content: The top edge of one side of this 12-inch wooden rule has a scale of inches, divided to tenths of an inch and numbered by ones from 24 to 13, with a "1" visible at the right for the 12" mark. Underneath this scale are 10" and 9" (divided to 1/2") plotting scales with diagonal scales at each end. On the other side are unlabeled, partial scales for logarithms, logarithmic sines, logarithmic versines, logarithmic tangents, meridional lines, and equal parts. On the scale of equal parts, ten units are equivalent to 3 cm.
label: Description
content: This object appears to be a Gunter's scale that was cut in half. Compare to MA.319077, MA.318174, and MA.333945. The Smithsonian's Division of Ethnology received this rule in 1951 and believed it to be of American manufacture.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Rule, Calculating
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
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content: Scale Rules
creditLine: label: Credit Line
content: Gift of Dr. and Mrs. Arthur M. Greenwood
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.388991.01
label: catalog number
content: 388991
label: accession number
content: 182022
objectType: label: Object Name
content: gunter's scale
label: Object Name
content: scale rule
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 30.5 cm x 3.9 cm x .4 cm; 12 in x 1 17/32 in x 5/32 in