SURVEYING 



Bailey, John (fl. 1778), Fishkill, N.Y.; also made surgical instruments. 



Bailey, John, II (1752-1823), Hanover and Lynn, Mass. 



Baldwin, Jedidiah (c. 1777-1829), Salem, Boston, and Northampton, Mass., and 

 Hanover, N.H. 



Biggs, Thomas (fl. 1792-1795), New York and Philadelphia. 



Blakeslee, Ziba (1768-1834), Newtown, Conn. 



Bowles, Thomas S. (c.1765-1821 ?), Portsmouth, N.H. 



Breed, .Aaron (late 18th to mid-19th centuries), Boston. 



Burnap, Daniel (1759-1838), East Windsor and Coventry, Conn.; also made 

 clocks. 



Chandlee, Benjamin, Jr. (1723-1791), Nottingham, Md.; also made clocks. 



Chandlee & Bros. (fl. 1790-1791), Nottingham, Md.; also made clocks. 



Chandlee, Ellis (1755-1816), Nottingham, Md.; also made clocks. 



Chandlee, Ellis & Bros. (fl. 1791-1797), Nottingham, Md.; also made clocks. 



Chandlee, Goldsmith (c. 1746-1821), Winchester, Va.; also made clocks and 

 sundials. 



Chandlee, Isaac (1760-1813), Nottingham, Md.; also made clocks. 



Clark, Robert (fl. 1785), Charleston, S.C; also made nautical and optical in- 

 struments. 



Clough, Jere (18th century), Boston. 



Crow, George (fl. 1754-1772), Wilmington, Del.; also made clocks. 



Davenport, William (fl. 1800-1820), Philadelphia; also made mathematical 

 instruments. 



Dean, William (P-1797), Philadelphia; also made nautical instruments. 



Doolittle, Enos (1751-1806), Hartford, Conn.; also made nautical instruments 

 and clocks. 



Doolittle, Isaac, Jr. (1759-1821), New Haven, Conn.; also made clocks. 



Dupee, John (after 1761), Boston. 



EUicott, Andrew (1754-1820), Baltimore; also made astronomical instruments. 



Ford, George, I (late 18th century to 1840), Lancaster, Pa.; also made nautical 

 instruments. 



Ford, George, II (fl. 1842), Lancaster, Pa.; also made nautical instruments. 



Gould, John (fl. 1794), Philadelphia; also made nautical and optical instruments. 



Greenough, Thomas (1710-1785), Boston, also made nautical and mathematical 

 instruments. 



Greenough, William (fl. 1785), Boston. 



Halsy, James, II (1695-1767), Boston; also made mathematical instruments. 



Halsy, Joseph (fl. 1697-1762), Boston. 



Hagger, Benjamin K. (c. 1769-1834), Boston and Baltimore; also made mathe- 

 matical instruments. 



Hanks, Benjamin (1755-1824), Mansfield and Litchfield, Conn. 



Hanks, Truman (fl. 1808), Mansfield and Litchfield, Conn. 



Harland, Thomas (1735-1807), Norwich, Conn.; also made clocks. 



Heisely, Frederick A. (1759-1839), Frederick, Md., and Lancaster, Harrisburg, 

 and Pittsburgh, Pa.; also made clocks and mathematical instruments. 



Heisely, George (1789-1880), Harrisburg, Pa.; also made clocks and mathematical 

 instruments. 



170 



