The British negociator: or, foreign exchanges made perfectly easy. Containing tables for all the various courses of exchange from, and the several coins equated of, Holland, Hamburgh, Germany, ... The fourth edition, corrected and enlarged. By S. Thomas, merchant.
Thomas, S.,1723-1784.
London : printed for G. Robinson, and T. Slack, Newcastle,
1784.
Horizontal and vertical chain lines.
S. Thomas = Thomas Slack.
ESTC
Scotland Edinburgh