Vintage Alvin No 280x Boxwood Architect Scale Divided West Germany w/Sleeve

Alvin No. 280 Engine Divided Ruler West-Germany Vintage See Photos & Description

Vintage Alvin #269 Boxwood Ruler Engine Divided W/ Case - W Germany *READ*

Vintage ALVIN 719A NOS Equal Space / Ten Point Divider Mechanical Drafting Tool

ALVIN No. 258 Engine Divided Drafting Ruler 6" Boxwood West Germany

Alvin 3 Sided Engineer Scale No 119 PC Triangular Drafting Ruler W-Germany

VTG K&E Paragon Scale Lot 2 12” Engineering Architect Drafting 1631P 1621P USA

Vintage ALVIN Triangular Drafting / Engineering Rulers / GERMANY