Open Triangle
date: label: date made
content: ca 1900
notes: label: Description
content: This unmarked 6" 30°-60°-90° triangle with an open interior is made of two different woods, with a section of darker wood set between two sections of lighter wood. The dating of other objects from this donor suggests the triangle was made around 1900. Compare to MA.335329. James W. Queen of Philadelphia sold a similar walnut or mahogany triangle with a maple inlay for 50¢ in 1883.
label: Description
content: Reference: James W. Queen & Co., <i>Priced and Illustrated Catalogue of Mathematical Instruments</i> (Philadelphia, 1883), 51.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Drawing Instruments
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Squares and Triangles
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Eunice L. Hoffman
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.335330
label: catalog number
content: 335330
label: accession number
content: 305958
objectType: label: Object Name
content: triangle
physicalDescription: label: Physical Description
content: wood (overall material)
label: Measurements
content: overall: 8.6 cm x 5 cm x .3 cm; 3 3/8 in x 1 31/32 in x 1/8 in