| DAVENPORT, WILLIAM | 
USA, 1778-1829, MIM NIM SIM | 
Artillery Instrument = D.; Magnetic Compass = Old Gaol Museum, York, Maine; Surveying Compasses = PEA, GUR, Michigan State U. Museum, Lansing, Old Gaol Museum, York, Maine, Mercer Museum, Pa.  | 
apprenticed to William Dean; made nautical compasses.  | 
43 South Front Street (1802-03); 45 South Front Street (1805-14); 25 South Front Street (1816-29); all in Philadelphia, Pa.  | 
Bedini 1 & 8; Smart 1; USNM; Brewington 1; D.J. Warner 10 and 12; DATM; RSW.  | 
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