Lot - VINTAGE PARALLEL ROLLING RULER.

Vintage Parallel Rolling Ruler in Box*Architect Engineer Drawing Mechanical Art*

Rolling ruler, brass, presented in wooden case, L. 46 cm…

Vintage Parallel Rolling Ruler Multi-Purpose, Clear, 12, Used with Original Box

This vintage rolling ruler is a must-have for any drafting enthusiast. It features a parallel T-square and is perfect for creating precise and

Vintage Rolling Ruler PARALLEL T-Square For Drafting Mathematical Tool

Alvin Rolling Parallel Ruler

A Brass Rolling Navigation Ruler. London, England, 19th…

National Museum of American History

An ebony and ivory rolling ruler, 12, slight chip to, 13th April 2011

THORNTON ROLLER PARALLEL RULE, LATE 19th - EARLY 20th CE…