Title
Slide ruleCatalog Number
102631630Type
Physical objectDescription
The object consists of a slide rule, leather slip-case, and cardboard box. The slip-case has writing in pencil that reads, "FRED EVANOON".Manufacturer
Keuffel & Esser CompanyPlace Manufactured
U.S.Identifying Numbers
Model number | 4097D | |
Other number | P112 | Donor's ID number for rule |
Serial number | 85986 |