Early American Scientific Instruments and Their Makers

by Silvio A. Bedini

Chandlee, Benjamin (1723-1791), Nottingham, Md.; also made surveying instruments.

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

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

Chandlee, Goldsmith (1751-1821), Winchester, Va.; also made astronomical and surveying instruments.

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

Crow, George (c.1726-1772), Philadelphia; also made surveying instruments.

DeVacht, Joseph and Francois (fl. 1792), Gallipolis, Ohio; also made compasses and sundials.

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

Doolittle, Isaac (1721-1800), New Haven, Conn.; also made scientific instruments.

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