STERLING #520 180 Degree 4” Protractor Compass Ruler 1981 NOS USA Vintage

Accurate Ball Bearing Compass and Protractor Combo for Students & Professionals

Vintage Small White Metal 180 Degree Protractor

Be OK! Pocket 180 degree 2" Swivel Protractor with 4" Ruler

Vintage Brass Protractor USA 180 Degree Ruler Drafting Tool Measurement Antique

Vintage NOS A&W Brass Protractor USA 180 Degree Ruler Drafting Tool C1

Vintage Protractor 1968 - Sterling 540 - Made In The USA

Rapid Rule - 6” Drafting / Architecture - Adjustable Rotating Ruler