Bow Compass with Pen Point
date: label: date made
content: ca 1860
notes: label: Description
content: This steel drawing compass has a hexagonal brass handle. The width of the instrument is adjusted with a small brass nut on the outside of the leg with the needle point. A second screw adjusts the width of the pen point. This object resembles the bow compasses made by Stanley around 1860 that are depicted in Michael Scott Scott, <i>Drawing Instruments</i> (Haverfordwest, UK: Shire Publications Ltd., 1986), 10.
label: Description
content: Reference: J. F. Heather, <i>Mathematical Instruments: Their Construction, Adjustment, Testing, and Use</i>, rev. ed. (London: Crosby Lockwood and Co., 1870), i:15–16.
label: Location
content: Currently not on view
place: label: place made
content: United Kingdom: England, London
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: Science & Mathematics
label: See more items in
content: Dividers and Compasses
creditLine: label: Credit Line
content: Gift of Ruth A. Ming
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1978.2110.11
label: catalog number
content: 1978.2110.11
label: accession number
content: 1978.2110
label: catalog number
content: 336737
objectType: label: Object Name
content: bow pen
label: Object Name
content: compass, drawing
label: Object Name
content: pen, bow
physicalDescription: label: Physical Description
content: steel (overall material)
label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 7.5 cm x 2 cm x .8 cm; 2 15/16 in x 25/32 in x 5/16 in