Antique Navigation Architects Parallel Ebony and Brass Wooden Rule 31cm

ANTIQUE EBONY WOOD PARALLEL RULE MEASUREMENT TOOL

Antique Ebony and Brass Parallel Ruler. M.K

Vintage UWW Birmingham 18" Brass Parallel Rule – Architect’s Drafting Tool w/Box

J Halden & Sons Manchester (??) brass rolling parallel rule 61 cms long

3 No Vintage Architects / Navigation Ebony & Brass Parallel Rules

Antique Mahogany Cased Set Technical Drawing Instrument Set

Vintage Rolling / Parallel 18 inch Rule