Title
Slide ruleCatalog Number
102631477Type
Physical objectDate
1946 ca.Manufacturer
Charvos-Roos Corp.Place Manufactured
U.S.Identifying Numbers
Model number | SR-108 | |
Other number | P100 | Donor's ID number for rule |
Model number | SR-108 | |
Other number | P100 | Donor's ID number for rule |