VINTAGE METAL PROTRACTOR MADE IN USA PAT. PENDING

VINTAGE METAL PROTRACTOR MADE IN USA PAT. PENDING fair condition

NOS Vintage 1960 Sterling 535 Plastic Circular Protractor Made In USA byS.P. Co

Sterling 582 Professional Half Circle 6" Protractor Made in USA

VINTAGE METAL PROTRACTOR MADE IN USA 3.75" X 2” B-2

Sterling 582 Professional Half Circle 6" Protractor Made in USA

Vintage Sterling Compass No 577 Drafting Tool Lot Protractor #582 Borden Carded

Vintage Protractor Compass STERLING Combination 180 Degree 4” Ruler USA