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Perrygraf Ohm's Law Calculator Slide Rule for Ohmite

Maker:
Perry Graf Corporation  Search this
Physical Description:
paper (overall material)
Measurements:
overall: .3 cm x 23.5 cm x 10.6 cm; 1/8 in x 9 1/4 in x 4 3/16 in
Object Name:
calculating rule
slide rule
Date made:
1941
Subject:
Mathematics  Search this
Rule, Calculating  Search this
electricity  Search this
Engineering, Electrical  Search this
Credit Line:
Gift of Oscar W. Richards
ID Number:
1979.3074.03
Nonaccession number:
1979.3074
Catalog number:
1979.3074.03
See more items in:
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_692574
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  • Electricity
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  • Perry Graf Corporation
  • 1940s
  • National Museum of American History