| Signature | Maker | Instruments | Comments | Location | References | 
| ALLAN, JAMES | England, fl.1790-1825, MIM SIM | Sextants = WHI, Phillips 11/16/88; Repeating Circle, 1811 = Soth. 7/26/65 = Soth. 2/21/66. | apprenticed to Fairbone (probably Charles Fairbone 2 of the Grocers' Company); instrument maker and designer; made an improved dividing engine and theodolite; author; sometimes spelled "Allen"; awarded a prize in 1820 by the Commissioners of the Board of Longitude; his son, John Allan, succeeded him in 1825. | 13, Blewitt's Buildings, Fetter Lane, London. | Society of Arts Transactions, 1810, 1815-16; USNM; Clay and Court; Dewhirst; Taylor 2(912); Daumas 1; Moskowitz 105; RSW; J.A. Bennett 2; Coffeen 39. | 
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