Antique Rolling Parallel Rule, English Brass, Scientific Instrument... – London Fine Antiques
Antique Navigation Wooden Parallel Rulers Transport, Militaria | Vinterior
A graduated set of 4 navigator's or architect's ebony parallel rulers in Antique Barometers etc
Marine Parallel Ruler With Brass Fittings Antique 19th Century. - Top Banana Antiques
ANTIQUE PARALLEL ROLLING RULE BY COOKE & SONS c1870 – Vavasseur Antiques
Antique Rabone 2ft Box Wood & Brass Folding Ruler – Mullard Antiques and Collectibles
865 Parallel Ruler Images, Stock Photos & Vectors | Shutterstock
Antique Larger Size Ebony and Brass Parallel Rule - Etsy
Patent Model for Parallel Rule and T-Square by Eugene Towne | National Museum of American History
Parallel Rules | National Museum of American History
parallel RULE / RULER ANTIQUE LARGE ebony drawing instrument | eBay
Antique Navigation Wooden Parallel Rulers Transport, Militaria | Vinterior
Captain Fields Improved Parallel Ruler Antique Nautical - Etsy UK
Antique maritme chart parallel ruler 18" wood & brass moustache hinge shape | eBay
Vintage KEUFFEL & ESSER 1755 Rolling Parallel Ruler Rare | Etsy Canada | Vintage, Engineering tools, Rare
Small brass parallel ruler
Vintage Rolling Rule, English, Brass, Scientific Instrument, Navigate – London Fine Antiques
Antique Rolling Parallel Rule, English Brass, Scientific Instrument... – London Fine Antiques
Marine Parallel Ruler With Brass Fittings Antique 19th Century. - Top Banana Antiques
parallel RULE / RULER ANTIQUE LARGE ebony drawing instrument | eBay
Antique Ebony Parallel Rule with Brass Hinges - Nautical Equipment - Office, Workshop & Farm
BRASS PARALLEL RULER | Hodgins Art Auctions Ltd. / Halls Auction Services
WW2 RAF Aston & Mander Air Ministry Parallel Ruler – Compass Library
