Vintage Ebonised & Brass Rolling and Parallel Rule Combo

Capt Fields Improved Parallel Ruler Rule England Vintage

Vintage Ebony & Brass Parallel Rule 385MM

ANTIQUE EBONY WOOD PARALLEL RULE MEASUREMENT TOOL

Vintage "Mathema" Boxed Nautical Captain Fields Parallel Ruler 15inch (38cm).

Vintage - SEIKOSHI Parallel Rolling Ruler With Original Box and Instructions VGC

Antique ebony and brass parallel rule for navigation/drafting

Vintage - Parallel Rolling Ruler - W H Harling of London- Draughtsman's Ruler