| Reference Number: Avaluer:14286467 | Country/Region of Manufacture: United States |
| Featured Refinements: Circular Slide Rule |
Cox ' S Stadia Computer Circular Slide Rule W. & L. E. Gurley Usa
Cox ' S Stadia Computer Circular Slide Rule Gurley
Vintage Copyright 1931/1936 Round Circular Slide Rule W/ Case Made In Usa Look
Vintage Binary Circular Slide Rule Copyrighted 1940 Made In Usa
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Stanley Great Turnstile London England Fuller Calculator Spiral Slide Rule
Stanley Great Turnstile London England Fuller Calculator Spiral Slide Rule
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The Sheppard Duodecimal Cubing Slide Rule By W. F. Stanley
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