Title
Acu-Math slide ruleCatalog Number
102631628Type
Physical objectDate
1965 ca.Manufacturer
Acu-Rule Co.Place Manufactured
U.S.Identifying Numbers
Model number | 1240 | |
Other number | P006 | Donor's ID number for rule |
Model number | 1240 | |
Other number | P006 | Donor's ID number for rule |