Blundy, Charles fl. 1753 Charleston, S. C. Thermometric; watches
Bowles, Thomas S. c. 1765-1821 Portsmouth, N. H. Surveying
Breed, Aaron 1791-1861 Boston Surveying
Brokaw, Isaac fl. 1771 Philadelphia *
Bulmain & Dennies fl. 1799 New York Nautical
Burges, Bartholomew fl. 1789 Boston Scientific
Burnap, Daniel 1759-1838 East Windsor and Surveying; clocks Coventry, Conn.
Caritat, H. fl. 1799 New York Astronomical
Chandlee, Benjamin, 1723-1791 Nottingham, Md. Surveying; clocks Jr.
Chandlee & Bros. fl. 1790-1791 Nottingham, Md. Clocks; surveying
Chandlee, Ellis 1755-1816 Nottingham, Md. Surveying; clocks
Chandlee, Ellis & fl. 1791-1797 Nottingham, Md. Clocks; surveying Bros.
Chandlee, Goldsmith c. 1751-1821 Winchester, Va. Surveying; astronomical; clocks
Chandlee, Isaac 1760-1813 Nottingham, Md. Surveying; clocks
Clark, Robert fl. 1785 Charleston, S.C. Nautical; surveying optical
Clough, Jere 18th century Boston Surveying
Condy, Benjamin fl. 1756-1798, Philadelphia Mathematical; sand d. 1798 glasses
Crow, George c. 1726-1772 Wilmington, Del. Surveying; clocks
Dabney, John, Jr. fl. 1739 Boston Mathematical
Dakin, Jonathan fl. 1745 Boston Mathematical; balances
Davenport, William 1778-1829 Philadelphia Mathematical; surveying
Dean, William (?-1797) Philadelphia Surveying; nautical
Devacht, Joseph and fl. 1792 Gallipolis, Ohio Watches; compasses; Francois sundials
Donegan (or fl. 1787 New York Glass; Denegan), John philosophical
Donegany, John (see Donegan)
Doolittle, Enos 1751-1806 Hartford, Conn. Surveying; clocks nautical;
Doolittle, Isaac 1721-1800 New Haven, Conn. Clocks; scientific
Doolittle, Isaac, 1759-1821 New Haven, Conn. Surveying; clocks Jr.
Early American Scientific Instruments and Their Makers · The Wunder Library — complete classics, free to read, with narration.