Title
The Binary slide rule, a circular slide rule
Catalog Number
X287.83
Type
Physical object
Description
Large circular slide rule with scales on both sides. Despite the term "binary" in the object name, there are no binary scales.
Place Manufactured
U.S.
Identifying Numbers
| Model number |
The Binary Slide Rule |
| Other number |
see note |
"COPYRIGHTED 1940" one one side and "COPYRIGHTED 1931" on the other. |
Dimensions
overall: 1/2 in x 8 1/4 in x 8 7/8 in
Copyright Holder
Unknown
Category
Pre-computer/slide rule
Credit
Gift of Jacqueline Tyrwhitt
