Title
Slide ruleCatalog Number
102631700Type
Physical objectDescription
The object consists of a slide rule and leather case. The case has a label reading "If lost please return to: JOSEPH FERGUSON, RR#1 B ELWOOD, ONTARIO".Date
1950 ca.Manufacturer
Charvos-Roos Corp.Place Manufactured
U.S.Identifying Numbers
Model number | SR-113 | |
Other number | S344 | Donor's ID number for rule |