Bruning 2420 Slide Rule

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Description
CI*328576.
Location
Currently not on view
date made
ca 1945
maker
Charles Bruning Company
place made
United States: Illinois, Chicago
Physical Description
plastic (slide, base material)
paper (case, instructions material)
metal (screws, indicator frame material)
Measurements
rule in case: 2 cm x 29.4 cm x 5 cm; 25/32 in x 11 9/16 in x 1 31/32 in
instructions unfolded: .3 cm x 14.5 cm x 22.5 cm; 1/8 in x 5 23/32 in x 8 27/32 in
ID Number
2015.0168.01
accession number
2015.0168
catalog number
2015.0168.01
Credit Line
Gift of Daniel Mauro
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Trigonometry
Data Source
National Museum of American History, Kenneth E. Behring Center

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