Title
Pert-O-GraphCatalog Number
102716428Type
Physical objectDescription
Object consists of circular slide rule and booklet.Manufacturer
Halcomb AssociatesPlace Manufactured
U.S.Dimensions
overall: 7/8 in x 7 in x 7 inCategory
Pre-computer/slide ruleCredit
Gift of Warren YogiLot Number
X6093.2011