Fraser, optical & mathematical instrument maker at Fergusons Head, Dukes Court, St. Martins Lane, London [graphic].Fraser, William, approximately 1720-1815[between 1777 and 1790]eng"Trade card of Fraser, scientific instrument maker, with portrait of the astronomer James Ferguson at top, bust, slightly to left, in oval with garland and ribbon, scientific instruments on pedestal below."--British Museum online catalogueTitle from item.Date of publication from the British Museum online catalogue, registration no.: 1930,1115.1.Sheet trimmed to plate mark.Part of a collection of 10 trade cards and tickets housed together in a box.