Vintage Sterling Decimal Trig Log Log USA Made Slide Ruler W/ Case

SP Precision Sterling Slide Rule ~ VINTAGE Made In USA ~ 11" Long ~ *NO CASE*

Vintage Precision Sterling Slide Rule Drafting Engineering Tool Made in USA

Vintage Sterling Decimal Trig Log - Log Slide Rule & Manual Made In USA

Vintage Precision Sterling Slide Rule | No Case | Made in USA

Vintage Precision Sterling Slide Rule - Made In USA Drafting / Engineering Ruler

Vintage 1965 Sterling Decimal Trig Log-Log Slide Rule No. 594 Made in USA

Vintage Precision Sterling Slide Rule Made In USA Architect Drafting 11"