Special nautical ruler ,rolls nicely ,chunk out of edge I have shown in the pictures. Priced accordingly Please see photos as they form part of the description
Antique Boxwood & Brass H.Hughes & Son Ltd “Capt Fields Improved Parallel Ruler
Vintage A.G THORNTON Nautical Parallel Rule 1940 Capt Fields Improved Brass Wood
Large military Capt. Fields Improved chart rule, military issue
Vintage Capt. Field’s Improved Boxwood & Brass Parallel Map Ruler 18 Inches
Vintage Nautical Parallel Rolling Navigation Ruler In Leather Case By E Cockerel
Vintage Capt. Field's Parallel Rule - made for Captain O.M. Watts Ltd london
