Title
The Binary Slide Rule, circular slide ruleCatalog Number
X794.86Type
Physical objectDescription
Large circular slide rule. Despite the name "binary" there are no binary scales on the device.Identifying Numbers
| Other number | 1940 and 1931 | Copyright dates of 1940 and 1931 on the two sides |
Dimensions
overall: 1/2 in x 8 1/4 in x 8 7/8 inCategory
Pre-computer/slide ruleCredit
Gift of Richard S. MurdockLot Number
X794.86