Title
Acu-Math slide ruleCatalog Number
102631715Type
Physical objectDate
1945 ca.Manufacturer
Acu-Rule Co.Place Manufactured
U.S.Identifying Numbers
Model number | 90A | |
Other number | S469 | Donor's ID number for rule |
Model number | 90A | |
Other number | S469 | Donor's ID number for rule |