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Record Bow Compass

Record Bow Compass

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Description
The pen and needle points (including its screw) are missing from this steel instrument. Because the pen point may be removed, this instrument is not like other bow pens in the collections. A disc for adjusting the width of the instrument is on a screw between the legs. A cylindrical ridged handle is directly attached to a ring inserted into the legs. The leg that would have the pen attachment is marked: RECORD. The object was received with several other instruments in a wooden box, 1984.1071.13. Compare to 1984.1071.10.
Location
Currently not on view
Object Name
compass, drawing
compass
bow compass
date made
mid 20th century
Physical Description
steel (overall material)
Measurements
overall: 10.2 cm x 3.4 cm x 1.1 cm; 4 1/32 in x 1 11/32 in x 7/16 in
ID Number
1984.1071.11
accession number
1984.1071
catalog number
1984.1071.11
Credit Line
Gift of Sebastian J. Tralongo
subject
Mathematics
Drawing Instruments
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Dividers and Compasses
Data Source
National Museum of American History
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