Alvin Drafting Ruler Model 250x West Germany

Vtg Compass 1250 West Germany Plastic Ruler Triangular Arc Metric Scale F5

Vintage K&E Doric N8881 Triangular Architect Scale Ruler - Engraved Initials

Alvin Professional 12" Architects Scale Ruler Metric Machine Engraved In Case

Engineer Triangular Scale 12" Ruler with Etched Marking made in Japan

Alvin No. 298 Metric Parallel Glider Rolling Ruler Architecture Drafting Vtg.

LOT OF 2 VINTAGE DRAFTING TOOL SETS DIETZGEN TACRO ALVIN WEST GERMANY & GERMANY

Alvin Ruler, 12" Wood/Plastic Drafting/Engineers 2-Scale, Boxwood, West Germany