Title
Teaching slide ruleCatalog Number
102695943Type
Physical objectDescription
Printed one end of middle section is, "MODEL N4-ES LOG LOG Vector Hyperbolic" and "Dual Base SPEED RULE."Manufacturer
Pickett & Eckel, Inc.Identifying Numbers
| Model number | N4-ES |
Dimensions
overall: 3/4 in x 48 in x 10 1/8 inCategory
Pre-computer/slide ruleCredit
Gift of Nan PhinneyLot Number
X4691.2008