Title
Log Log Duplex Vector slide ruleCatalog Number
X1348.97Type
Physical objectDescription
Object includes brown leather carrying case. Dimensions are of slide rule; case slightly larger.Date
c. 1947Manufacturer
Keuffel & Esser CompanyPlace Manufactured
U.S.Identifying Numbers
| Model number | 4083-3 |
| Other number | 2500460 Patent number |
Dimensions
1/4 x 12 1/2 x 2 in.Category
Calculator/mechanicalCredit
Gift of Omri SerlinLot Number
X1348.97