Late 19th century
Bow operated and held in the vice. Brass frame stamped with the pyramid trademark of of the German firm Koch & Co, with hardwood pulley block. Total length 5 inches (12 cm). See also David Penney Postal Auction Catalogue, No 3, item 96.
Koch were factors as well as makers and the tool may well be Swiss made. In good, unpolished condition.
Warning: Last items in stock!