-40%
Dietzgen Vintage Circular Metal Binary Slide Rule 8.25" diameter 1940
$ 12.98
- Description
- Size Guide
Description
Dietzgen Vintage Circular Metal Binary Slide Rule 8.25" diameter 1940."The Binary Slide Rule
Made in USA
Copyright 1940"
It is not marked Dietzgen but it is identical to other that sold here that had the instruction book.