Details
A Cuttriss' Patent Calculating Disc,
by Elliott Bros., London, No.104, the double-sided nickel disc with four engraved scales and brass cursor, with instructions stamped Cuttriss & Co. .... Leeds, in makers' slip case -- 2½in.(6.25cm.) diam.; and an Otis King calculator, No, T6201, in makers' carton (2)
by Elliott Bros., London, No.104, the double-sided nickel disc with four engraved scales and brass cursor, with instructions stamped Cuttriss & Co. .... Leeds, in makers' slip case -- 2½in.(6.25cm.) diam.; and an Otis King calculator, No, T6201, in makers' carton (2)