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

Vintage Sterling Decimal Trig Log-Log Slide Rule 1965 w/ Case

STERLING Decimal Trig Log-Log Slide Rule 1965 Original Case Vintage SP

Vintage STERLING 1965 Decimal Trig Log-Log Slide Rule with Case

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

Precision Sterling Slide Rule - Made In USA Drafting / Engineering

Vintage 1965 Sterling Decimal Trig Log-Log Slide Rule

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