Title
Acu-Math slide ruleCatalog Number
102631711Type
Physical objectDate
1960 ca.Manufacturer
Acu-Rule Co.Place Manufactured
U.S.Identifying Numbers
Model number | 500 | |
Other number | S139 | Donor's ID number for rule |
Model number | 500 | |
Other number | S139 | Donor's ID number for rule |