Ruler and Straight Edge Signed Eberhard Faber

Description
This wooden rule is divided along the top edge to 1/16" and numbered by ones from 1 to 14. A brass straight edge is fastened behind the scale. Both long edges are beveled. A hole for hanging the ruler is drilled through the left end of the ruler. The center front is marked: E. FABER. (/) U. S. A. The back is engraved in script: Wm. R. Maxon. Compare to 1987.0634.03.
Eberhard Faber's company made pencils and other office supplies in New York City from 1861 until 1956, when manufacturing moved to Wilkes-Barre, Penn. A. W. Faber-Castell acquired the company in 1987.
According to the accession file, William R. Maxon was the curator of plants at the National Museum of Natural History from 1899 to 1946. He used this rule in his botanical research.
Location
Currently not on view
date made
early 20th century
maker
Faber, Eberhard
place made
United States: New York, New York
Physical Description
brass (overall material)
wood (overall material)
Measurements
overall: .8 cm x 38 cm x 3.7 cm; 5/16 in x 14 31/32 in x 1 15/32 in
ID Number
1987.0634.02
accession number
1987.0634
catalog number
1987.0634.02
Credit Line
Transfer from National Museum of Natural History, Department of Botany
subject
Mathematics
Rule, Measuring
Drawing Instruments
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Scale Rules
Data Source
National Museum of American History, Kenneth E. Behring Center

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