Pantograph in Case Like Those Made by William Cary, Signed by John L. Wilson
date: label: date made
content: ca 1875
notes: label: Description
content: This brass pantograph is stored in a wooden case with a lock (key missing) and two hook latches. Two arms are marked from 1/2 to 11/12. The instrument moves on six ivory rollers (one is missing). It is held together with screws. The pencil or tracer slides along one arm while the other point is stationary. An iron weight covered with black felt anchors the pantograph. The pencil holder has a cup at the top to hold weights to darken the pencil writing. There are no holes for the string.
label: Description
content: Engraving on one bar of the pantograph reads: John L. Wilson, No. 2. A tag on the front of the lid reads: PROPERTY OF (/) UNIVERSITY OF PITTSBURGH (/) PITTSBURGH, PA 15213.
label: Description
content: Compare MA.317868, MA.327891, MA.334888, and 2005.0182.8.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Pantographs
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of University of Pittsburgh, Civil Engineering Department
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.334888
label: accession number
content: 315134
label: catalog number
content: 334888
objectType: label: Object Name
content: Pantograph
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: brass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 12.5 cm x 67.2 cm x 8.1 cm; 4 29/32 in x 26 15/32 in x 3 3/16 in