Its intricate design and functionality make it a valuable addition to any collection, and it is sure to be a conversation starter. Don't miss out on the opportunity to own this unique piece of history.
A Vintage Captain Field's Improved Parallel Rule
Vintage Capt Fields Improved Rolling Parallel Ruler 18"
Vintage Capt. Field's Parallel Rule - made for Captain O.M. Watts Ltd london
Large military Capt. Fields Improved chart rule, military issue
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
