James W. Queen & Co. Triangular Offset for Architect's Rule
date: label: date made
content: late 19th century
name: label: Maker
content: Queen & Co.
notes: label: Description
content: This three-inch triangular boxwood rule is grooved on each side. The top edge of one side is divided to 1/10" and numbered by ones from 0 to 3. The bottom edge is divided to 1/50" and numbered by twos from 0 to 14. This side is marked: QUEEN & CO. PHILAD'A.
label: Description
content: The second side is divided to 1/60" and numbered by twos from 0 to 18 along one edge and divided to 1/30" and numbered by twos from 0 to 8 on the other edge. The third side is divided to 1/40" and numbered by twos from 0 to 12 along one edge and divided to 1/20" and numbered by ones from 0 to 6.
label: Description
content: James W. Queen of Philadelphia sold a two-inch triangular boxwood scale for offsets as model 464-1/2 from at least 1874 to at least 1884 for 75¢. No three-inch scale is mentioned in catalogs from this time period. The Department of Mathematics at Brown University gave this object to the Museum in 1973.
label: Description
content: References: James W. Queen & Co., <i>Priced and Illustrated Catalogue and Descriptive Manual of Mathematical Instruments and Materials</i> (Philadelphia, 1874), 41; James W. Queen & Co., <i>Priced and Illustrated Catalogue and Descriptive Manual of Mathematical Instruments and Materials</i> (Philadelphia, 1884), 44.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Philadelphia
topic: label: Subject
content: Mathematics
label: Subject
content: Drafting, Engineering
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content: Medicine and Science: Mathematics
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content: Science & Mathematics
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content: Scale Rules
creditLine: label: Credit Line
content: Gift of Brown University Department of Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304722.05
label: accession number
content: 304722
label: catalog number
content: 304722.05
objectType: label: Object Name
content: scale rule, triangular
physicalDescription: label: Physical Description
content: boxwood (overall material)
label: Measurements
content: overall: 2.1 cm x 9.5 cm x 2.1 cm; 13/16 in x 3 3/4 in x 13/16 in