Instructions for C-Thru Pocket Slide Rule
Instructions for C-Thru Pocket Slide Rule
- Description
- This single sheet of paper was received with 1988.0807.02. It describes how to read the scales for two inexpensive student slide rules, the pocket-sized model 27 and ten-inch model 88, made by the C-Thru Ruler Company of Hartford, Conn. The postal code indicates a date between 1943 and 1963. The back of the sheet is stamped: GEORGE A. NORTON (/) 132 SWANN ROAD (/) WASHINGTON 23, D.C.
- Location
- Currently not on view
- Object Name
- sheet
- date made
- 1943-1963
- maker
- C-Thru Ruler Company
- place made
- United States: Connecticut, Hartford
- Physical Description
- paper (overall material)
- Measurements
- overall: 21.5 cm x 14 cm; 8 15/32 in x 5 1/2 in
- ID Number
- 1988.0807.06
- accession number
- 1988.0807
- catalog number
- 1988.0807.06
- Credit Line
- Gift of George A. Norton
- subject
- Mathematics
- Rule, Calculating
- Education
- See more items in
- Medicine and Science: Mathematics
- Science & Mathematics
- Slide Rules
- Data Source
- National Museum of American History
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