1. Fraser, optical & mathematical instrument maker at Fergusons Head, Dukes Court, St. Martins Lane Creator: Fraser, William, approximately 1720-1815 Published / Created: [between 1777 and 1790] Call Number: 66 800 C69 Image Count: 1 Resource Type: text and still image Found in: Lewis Walpole Library > Fraser, optical & mathematical instrument maker at Fergusons Head, Dukes Court, St. Martins Lane, London [graphic].