Dietzgen 736B Bow Compass with Pencil Point

Dietzgen 736B Bow Compass with Pencil Point

Description
This steel and German silver instrument has a needle point on one leg and a holder for a pencil lead on the other. The handle has vertical ridges above a single line of raised metal dots. The width of the compass is adjusted with a pin through the legs and a wheel around the pin between the legs. Additional thumbscrews allow adjusting of the needle and pencil points. The instrument appears to be a Federal Bow Pencil, model number 736B, advertised in 1926 by the Eugene Dietzgen Company of Chicago.
Reference: Catalog of Eugene Dietzgen Co., 12th ed. (Chicago, 1926), 60, 74.
Location
Currently not on view
Object Name
bow pencil
compass, drawing
date made
ca 1926
maker
Eugene Dietzgen Company
place made
United States: Illinois, Chicago
Physical Description
lead (overall material)
german silver (overall material)
steel (overall material)
Measurements
overall: 9.3 cm x 2 cm x 1.5 cm; 3 21/32 in x 25/32 in x 19/32 in
ID Number
1981.0933.21
accession number
1981.0933
catalog number
1981.0933.21
Credit Line
Gift of William J. Ellenberger
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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