Mathematical Practitioners and Instrument Makers
Geographical Listing
| CONNECTICUT | |
| Coventry: | Daniel Burnap (1759-1838); surveying instruments and clocks. |
| Danbury: | Benjamin Platt (1757-1833); compasses and clocks. |
| East Windsor: | Daniel Burnap (1759-1838); surveying instruments and clocks. |
| Hartford: | Enos Doolittle (1751-1806); surveying and navigational instruments, compasses, and clocks. |
| Litchfield: | Benjamin Hanks (1755-1824); surveying instruments and clocks. |
| Truman Hanks (fl. 1808); surveying instruments. | |
| Benjamin Platt (1757-1833); compasses and clocks. | |
| Mansfield: | Benjamin Hanks (1755-1824); surveying instruments. |
| Truman Hanks (fl. 1808); surveying instruments. | |
| New Haven: | Isaac Doolittle (1721-1800); clocks and scientific instruments. |
| Isaac Doolittle, Jr. (1759-1821); surveying instruments and clocks. | |
| Sibley & Marble (late 18th century); clocks and mathematical instruments. | |
| New Milford: | Benjamin Platt (1757-1833); compasses and clocks. |
| Newtown: | Ziba Blakeslee (1768-1834); surveying instruments. |
| Norwich: | Thomas Harland (1735-1807); surveying instruments and clocks. |
| Windham: | Gurdon Huntington (1763-1804); clocks and surveying and other instruments. |
| Woodstock: | Peregrine White (1747-1834); surveying instruments and clocks. |
| ----: | Smith, Cordial (fl. 1775); surveying instruments. |
| DELAWARE | |
| Wilmington: | George Crow (c. 1726-1772); surveying instruments and clocks. |
| MARYLAND | |
| Baltimore: | Benjamin Banneker (c. 1734-1806), practitioner. |
| Andrew Ellicott (1754-1820), practitioner; surveying and astronomical instruments. | |
| Benjamin K. Hagger (c. 1769-1834); mathematical and surveying instruments. | |
| Frederick: | Frederick A. Heisely (1759-1839); clocks and mathematical instruments. |
| Nottingham: | Benjamin Chandlee, Jr. (1723-1791); clocks and surveying instruments. |
| Chandlee & Bros. (fl. 1790-1791); clocks and surveying instruments. | |
| Ellis Chandlee (1755-1816); surveying instruments and clocks. | |
| Ellis Chandlee & Bros. (fl. 1791-1797); clocks and surveying instruments. | |
| Isaac Chandlee (1760-1813); surveying instruments and clocks. | |
| MASSACHUSETTS | |
| Boston: | Jedidiah Baldwin (c. 1777-1829); surveying instruments. |
| Aaron Breed (1791-1861); surveying instruments. | |
| Bartholomew Burges (fl. 1789); scientific instruments. | |
| Jere Clough (18th century); surveying instruments. | |
| John Dabney, Jr. (fl. 1739); mathematical instruments. | |
| Jonathan Dakin (fl. 1745); mathematical instruments and balances. | |
| John Dupee (fl. after 1761); surveying instruments. | |
| Samuel Grainger (fl. 1719), practitioner. | |
| Stephen Greenleaf (1704-1795); mathematical instruments. | |
| Thomas Greenough (1710-1785); mathematical, surveying, astronomical, and nautical | |
| instruments. | |
| William Greenough (fl. 1785); surveying instruments. | |
| Isaac Greenwood, Sr. (c.1725-1750), practitioner. | |
| Isaac Greenwood, Jr. (1730-1803); mathematical instruments. | |
| Benjamin K. Hagger (c. 1769-1834); mathematical and surveying instruments. | |
| James Halsie I (fl. 1674), practitioner. | |
| James Halsy II (1695-1767); mathematical and surveying instruments. | |
| John Halsy (fl. 1700); mathematical instruments. | |
| Joseph Halsy (fl. 1697-1762); surveying instruments. | |
| Rowland Houghton (1678-1744); surveying instruments. | |
| Andrew Newell (1749-1798); surveying instruments. | |
| Joseph Newell (fl. 1800-1813); surveying instruments. | |
| Joseph Pope (1750-1826); scientific instruments and clocks. | |
| Nathan Prince (fl. 1743), practitioner; scientific instruments. | |
| Paul Revere (1735-1818); gunnery instruments. | |
| Charles Thacher (18th century); surveying instruments. | |
| Samuel Thaxter (1769-1842); surveying, nautical, and mathematical instruments. | |
| William Williams (1737/8-1792); mathematical and nautical instruments. | |
| Brookfield: | John Potter (1746-1818); surveying instruments. |
| Hanover: | John Bailey II (1752-1823); surveying instruments. |
| Lanesboro: | Benjamin Platt (1757-1833); surveying instruments, clocks, and compasses. |
| Lynn: | John Bailey II (1752-1823); surveying instruments. |
| Nantucket: | Peter Folger (1617-1690), practitioner(?). |
| Walter Folger (1765-1849), practitioner; clocks and astronomical instruments. | |
| Newburyport: | Gideon Fairman (1774-1827); mathematical instruments. |
| Hooker & Fairman (before 1810); mathematical instruments. | |
| Northampton: | Jedidiah Baldwin (c.1777-1829); surveying instruments. |
| Stiles & Baldwin (fl.1791); surveying instruments. | |
| Stiles & Storrs (fl.1792); surveying instruments. | |
| Plymouth: | Benjamin Warren (fl.1740-1790); surveying and nautical instruments. |
| Salem: | Jedidiah Baldwin (c.1777-1829); surveying instruments. |
| Samuel Emery (1787-1882); mathematical instruments. | |
| John Jayne (late 18th century); mathematical instruments. | |
| Benjamin King (1740-1804); nautical instruments. | |
| Daniel King (1704-1790); mathematical instruments. | |
| John Prince (1751-1836), practitioner; scientific instruments. | |
| Southwick: | Amasa Holcomb (1787-1875); surveying and mathematical instruments. |
| NEW HAMPSHIRE | |
| Exeter: | Benjamin C. Gilman (1763-1835); mathematical instruments and clocks. |
| Hanover: | Jedidiah Baldwin (c.1777-1829); surveying instruments. |
| Newmarket: | John Kennard (1782-1861); surveying instruments. |
| Portsmouth: | Thomas S. Bowles (c.1765-1821); surveying instruments. |
| Walpole: | Gurdon Huntington (1763-1804); clocks and surveying and other instruments. |
| NEW JERSEY | |
| Elizabeth: | Aaron Miller (fl. 1748-1771); surveying instruments, clocks, and compasses. |
| Wistarburg: | Richard Wistar (fl. 1752); glass and thermometric instruments. |
| NEW YORK | |
| Fishkill: | John Bailey (fl. 1778); surveying and surgical instruments. |
| New York: | Thomas Biggs (fl. 1792); surveying instruments. |
| Bulmain & Dennies (fl. 1799); nautical instruments. | |
| H. Caritat (fl. 1799); astronomical prints. | |
| John Donegan (fl. 1787); barometers, thermometers, and philosophical instruments. | |
| W. Fosbrook (fl. 1786); surgical and dental instruments. | |
| Joseph Gatty (fl. 1794); barometers, thermometers and philosophical instruments. | |
| James Ham (fl. 1754-1764); mathematical instruments. | |
| William Hinton (fl. 1772); mathematical instruments. | |
| A. Lamb & Son (fl. late 18th century); mathematical instruments. | |
| Anthony Lamb (1703-1784); mathematical instruments. | |
| John Lamb (1735-1800); mathematical instruments. | |
| M. Morris (fl. 1785); protractors. | |
| Widow Balthaser Sommer (fl. 1753); optical instruments. | |
| Charles Walpole (fl. 1746); mathematical instruments. | |
| James Youle (1740-1786); surgical instruments. | |
| John Youle (fl. 1786); surgical instruments. | |
| OHIO | |
| Columbus: | Augustus Platt (1793-1886); mathematical instruments. |
| Benjamin Platt (1757-1833); surveying instruments and clocks. | |
| Gallipolis: | Joseph (fl. 1792) and Francois Devacht; watches, compasses, and sundials. |
| PENNSYLVANIA | |
| Bucks County: | W. L. Potts (late 18th century); surveying instruments. |
| George Wall, Jr. (fl. 1788); surveying instruments. | |
| Germantown: | Christopher Sower (c. 1724-1740); mathematical instruments and clocks. |
| Christopher Witt (fl. 1710-1765); mathematical instruments and clocks. | |
| Harrisburg: | Frederick A. Heisely (1759-1839); clocks and mathematical instruments. |
| George Heisely (1789-1880); clocks and mathematical instruments. | |
| Lancaster: | George Ford (late 18th century to 1842); surveying and nautical instruments. |
| George Ford II (fl. 1842); surveying and nautical instruments. | |
| Frederick A. Heisely (1759-1839); clocks and mathematical instruments. | |
| George Hoff (1740-1816); clocks, surveying instruments. | |
| Thomas Mendenhall (fl. 1775); mathematical instruments and clocks. | |
| Norristown: | David Rittenhouse (1732-1796), practitioner; astronomical and surveying instruments. |
| Philadelphia: | Owen Biddle (1737-1799), practitioner. |
| Thomas Biggs (fl. 1792-1795); surveying instruments. | |
| Isaac Brokaw (fl. 1771). | |
| Benjamin Condy (fl. 1756, d. 1798); mathematical instruments and sand glasses. | |
| William Davenport (1778-1829); surveying and mathematical instruments. | |
| William Dean (?-1797); surveying and nautical instruments. | |
| George Evans (fl. 1796, d. 1798); mathematical instruments. | |
| Martin Fisher (fl. 1790); glass instruments. | |
| Joseph Gatty (fl. 1794); barometers, thermometers, and philosophical instruments. | |
| Bryan Gilmur (end of 18th century); mathematical instruments and clocks. | |
| Thomas Godfrey (1704-1749); improved reflecting backstaff. | |
| John Gould (fl. 1794); nautical, surveying, and optical instruments. | |
| Theophilus Grew (fl. 1753), practitioner. | |
| James Ham (fl. 1754-1764); mathematical instruments. | |
| James Ham, Jr. (fl. 1780); mathematical instruments. | |
| Alloysius Ketterer (fl. 1789); glass instruments. | |
| Anthony Lamb (1703-1784); mathematical instruments. | |
| Thomas Pryor (fl. 1778); mathematical instruments. | |
| Benjamin Rittenhouse (1740-c.1820); surveying and astronomical instruments. | |
| David Rittenhouse (1732-1796), practitioner; astronomical and surveying instruments. | |
| Christopher Sower [Sauer] (c. 1724-1740); mathematical instruments and clocks. | |
| Charles Taws (fl. 1795); mathematical instruments. | |
| Henry Voight (1738-1814); clocks, watches, and astronomical instruments. | |
| John Whitney (fl. 1801); mathematical and optical instruments. | |
| Thomas Whitney (fl. 1798-1823); mathematical and optical instruments. | |
| John Wood (fl. 1790); compasses. | |
| Pittsburgh: | Frederick A. Heisely (1759-1839); clocks and mathematical instruments. |
| West Bradford: | Joel Baily (1732-1797), practitioner. |
| RHODE ISLAND | |
| Newport: | William G. Hagger (c.1744-1830?); quadrants. |
| King & Hagger (1759/60); mathematical and nautical instruments. | |
| Benjamin King (1707-1786); mathematical and nautical instruments. | |
| Samuel King (1748-1819); mathematical instrument. | |
| Paul Pease (fl. 1750); quadrants. | |
| Providence: | William Hamlin (1772-1869); mathematical, astronomical, and nautical instruments. |
| SOUTH CAROLINA | |
| Charleston: | Charles Blundy (fl. 1753); thermometric instruments. |
| Robert Clark (fl. 1785); nautical, surveying, and optical instruments. | |
| James Jacks (fl. 1780’s); mathematical and surveying instruments. | |
| VERMONT | |
| Bradford: | James Wilson (1763-1855); globes. |
| VIRGINIA | |
| Winchester: | Goldsmith Chandlee (c.1746-1821); surveying and astronomical instruments and clocks. |
| Anthony Lamb (1703-1784); mathematical instruments. | |
Types of Instruments and Their Makers
(Categories based on specific designations noted in advertisements)
ASTRONOMICAL
Caritat, H. (fl. 1799), New York.
Chandlee, Goldsmith (c.1746-1821), Winchester, Va.; also made surveying instruments and clocks.
Ellicott, Andrew (1754-1820), Baltimore; also made surveying instruments.
Folger, Walter, Jr. (1765-1849), Nantucket, Mass.; also made surveying instruments.
Greenough, Thomas (1710-1785), Boston; also made mathematical, surveying, and nautical instruments.
Hamlin, William (1772-1869), Providence, R.I.; also made mathematical and nautical instruments.
Holcomb, Amasa (1787-1875), Southwick, Mass.; also made surveying instruments.
Rittenhouse, Benjamin (1740-c.1820), Philadelphia; also made surveying instruments.
Rittenhouse, David (1732-1796), Philadelphia and Norristown, Pa.; also made surveying instruments.
Voight, Henry (1738-1814), Philadelphia; also made clocks and watches.
GLASS AND THERMOMETRIC
Blundy, Charles (fl. 1753), Charleston, S.C.; also made watches.
Donegan, Joseph (fl. 1787), New York and Philadelphia; also made philosophical instruments.
Fisher, Martin (fl. 1790), Philadelphia.
Gatty, Joseph (fl. 1794), New York and Philadelphia; also made philosophical instruments.
Ketterer, Alloysius (fl. 1789), Philadelphia.
Wistar, Richard (fl. 1752), Wistarburg, N.J.
HOROLOGICAL
Blundy, Charles (fl. 1753), Charleston, S.C.; also made thermometric instruments.
Burnap, Daniel (1759-1838), East Windsor and Coventry, Conn.; also made surveying instruments.
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.
Gilman, Benjamin C. (1763-1835), Exeter, N.H.; also made mathematical instruments.
Gilmur, Bryan (fl. end of 18th century), Philadelphia; also made mathematical instruments.
Harland, Thomas (1735-1807), Norwich, Conn.; also made surveying instruments.
Heisely, Frederick A. (1759-1839), Frederick, Md.; also made mathematical and surveying instruments.
Heisely, George (1789-1880), Harrisburg, Pa.; also made mathematical instruments.
Hoff, George (1740-1816), Lancaster, Pa.; also made surveying instruments.
Huntington, Gurdon (1763-1804), Windham, Conn., and Walpole, N.H.; also made surveying and other instruments.
Kennard, John (1782-1861), Newmarket, N.H.; also made surveying instruments.
Mendenhall, Thomas (fl. 1775), Lancaster, Pa.; also made mathematical instruments.
Miller, Aaron (fl. 1748-1771), Elizabethtown, N.J.; also made compasses and surveying instruments.
Platt, Benjamin (1757-1833), Danbury, Litchfield, and New Milford, Conn.; Lanesboro, Mass.; Columbus, Ohio; also made compasses and surveying instruments.
Pope, Joseph (1750-1826), Boston; also made scientific instruments.
Sibley & Marble (Clark Sibley and Simeon Marble) (late 18th century), New Haven, Conn.; also made mathematical instruments.
Sower, Christopher (c. 1724-1740), Germantown and Philadelphia, Pa.; also made mathematical instruments.
Voigt, Henry (1738-1814), Philadelphia; also made astronomical instruments.
White, Peregrine (1747-1834), Woodstock, Conn.; also made surveying instruments.
Witt, Christopher (practitioner) (fl. 1710-1765), Germantown, Pa.; also made mathematical instruments.
MATHEMATICAL (GENERAL)
Condy, Benjamin (fl. 1756-1792, d. 1798), Philadelphia.
Dabney, John, Jr. (fl. 1739), Boston.
Dakin, Jonathan (fl. 1745), Boston; also made balances.
Davenport, William (fl. 1800-1820), Philadelphia; also made surveying instruments.
Doolittle, Isaac (1721-1800), New Haven, Conn.; also made clocks.
Emery, Samuel (late 18th century), Salem, Mass.
Evans, George (fl. 1796, d. 1798), Philadelphia.
Fairman, Gideon (1774-1827), Newburyport, Mass.
Gilman, Benjamin C. (1763-1835), Exeter, N.H.; also made clocks.
Gilmur, Bryan (end of 18th century), Philadelphia; also made clocks.
Greenleaf, Stephen (fl. 1745), Boston.
Greenough, Thomas (1710-1785), Boston; also made surveying, astronomical, and nautical instruments.
Greenwood, Isaac, Jr. (1730-1803), Boston.
Hagger, Benjamin K. (c.1769-1834), Boston and Baltimore; also made surveying instruments.
Halsy, James, II (1695-1767), Boston; also made surveying instruments.
Halsy, John (fl. 1700), Boston.
Ham, James (fl. 1754-1764), New York and Philadelphia.
Ham, James, Jr. (fl. 1780), Philadelphia.
Hamlin, William (1772-1869), Providence, R.I.; also made nautical and astronomical instruments.
Heisely, Frederick (1759-1839), Frederick, Md., and Lancaster, Harrisburg, and Pittsburgh, Pa.; also made clocks and surveying instruments.
Heisely, George (1789-1880), Harrisburg, Pa.; also made clocks.
Hinton, William (fl. 1772), New York.
Hooker & Fairman (before 1810), Newburyport, Mass.
Jacks, James (fl. 1780’s), Charleston, S.C.; also made surveying instruments.
Jayne, John (late 18th century), Salem, Mass.
King & Hagger (1759/60 to early 1760’s), Newport, R.I.; also made nautical instruments.
King, Benjamin (1707-1786), Newport, R.I.; also made nautical instruments.
King, Daniel (1704-1790), Salem, Mass.
King, Samuel (fl. 1786), Newport, R.I.
Lamb, A. & Son (1780’s), New York.
Lamb, Anthony (1703-1784), Virginia, Philadelphia, New York, and Hunter’s Key, N.Y.; also made surveying and nautical instruments.
Lamb, John (1735-1800), New York; also made nautical and surveying instruments.
Mendenhall, Thomas (fl. 1775), Lancaster, Pa.; also made clocks.
Newell, Andrew (1749-1798), Boston; also made compasses and surveying instruments.
Platt, Augustus (1809-1886), Columbus, Ohio; also made surveying instruments.
Pryor, Thomas (fl. 1778), Philadelphia.
Revere, Paul (1735-1818), Boston, Mass.
Sibley & Marble (late 18th century), New Haven, Conn.; also made clocks and watches.
Sower, Christopher (c. 1724-1740), Germantown and Philadelphia, Pa.; also made clocks.
Taws, Charles (fl. 1795), Philadelphia.
Thaxter, Samuel (1769-1842), Boston; also made surveying and nautical instruments.
Walpole, Charles (fl. 1746), New York.
Whitney, John (fl. 1801), Philadelphia; also made optical instruments.
Whitney, Thomas (fl. 1798-1821), Philadelphia; also made optical and surveying instruments.
Williams, William (1737/38-1792), Boston; also made nautical instruments.
Witt, Christopher (fl. 1710-1765), Germantown, Pa.; also made clocks.
NAUTICAL
Bulmain & Dennies (fl. 1799), New York.
Clark, Robert (fl. 1785), Charleston, S.C.; also made surveying and optical instruments.
Condy, Benjamin (fl. 1756-92, d. 1798), Philadelphia; also made mathematical instruments.
Davenport, William (fl. 1800-1820), Philadelphia; also made mathematical and surveying instruments.
Dean, William (?-1797), Philadelphia; also made surveying instruments.
Doolittle, Enos (1751-1806), Hartford, Conn.; also made surveying instruments, directional compasses and clocks.
Emery, Samuel (1787-1882), Salem, Mass.
Fairman, Gideon (1774-1827), Newburyport, Mass.; also made mathematical instruments.
Ford, George, I (late 18th century to 1840), Lancaster, Pa.; also made surveying instruments.
Ford, George, II (fl. 1842), Lancaster, Pa.; also made surveying instruments.
Godfrey, Thomas (1704-1749), Philadelphia.
Gould, John (fl. 1794), Philadelphia; also made surveying and optical instruments.
Greenough, Thomas (1710-1785), Boston; also made mathematical and surveying instruments.
Hagger, William G. (c.1744-1830?), Newport, R.I.
Ham, James (fl. 1754-64), New York and Philadelphia; also made mathematical instruments.
Ham, James, Jr. (fl. 1780), Philadelphia; also made mathematical instruments.
Hamlin, William (1772-1869), Providence, R.I.; also made mathematical instruments.
Jayne, John (late 18th century), Salem, Mass.; also made mathematical instruments.
King & Hagger (1759/60 to early 1760’s), Newport, R.I.; also made mathematical instruments.
King, Benjamin (1707-1786), Newport, R.I.; also made mathematical instruments.
King, Benjamin (1740-1804), Salem, Mass.
King, Daniel (1704-1790), Salem, Mass.; also made mathematical instruments.
King, Samuel (fl. 1786), Newport, R.I.; also made mathematical instruments.
Lamb, A., & Son (1780’s), New York; also made mathematical instruments.
Lamb, Anthony (1703-1784), Virginia, Philadelphia, New York, and Hunter’s Key, N.Y.; also made mathematical and surveying instruments.
Lamb, John (1735-1800), New York; also made surveying and mathematical instruments.
Newell, Andrew (1749-1798), Boston; also made mathematical instruments.
Pease, Paul (fl. 1750), probably Rhode Island.
Thaxter, Samuel (1769-1842), Boston; also made mathematical and surveying instruments.
Warren, Benjamin (fl. 1740-1790), Plymouth, Mass.; also made surveying instruments.
Williams, William (1737/38-1792), Boston; also made mathematical instruments.
OPTICAL
Benson, John (fl. 1793-1797).
Clark, Robert (fl. 1785), Charleston, S.C.; also made nautical and surveying instruments.
Sommer, Widow Balthaser (fl. 1753), New York.
Whitney, John (fl. 1801), Philadelphia; also made mathematical instruments.
Whitney, Thomas (fl. 1798-1821), Philadelphia; also made mathematical and surveying instruments.
SURGICAL
Bailey, John (fl. 1778), Fishkill, N.Y.; also made surveying instruments.
Fosbrook, W. (fl. 1786), New York; also made dental instruments.
Youle, James (1740-1786), New York.
Youle, John (fl. 1786), New York.
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 instruments.
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 (?-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.
Ellicott, 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 mathematical 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.
Holcomb, Amasa (1785-1875), Southwick, Mass.; also made astronomical instruments.
Houghton, Rowland (c. 1678-1744), Boston.
Huntington, Gurdon (1763-1804), Windham, Conn., and Walpole, N.H.; also made clocks and other scientific instruments.
Jacks, James (fl. 1780’s), Charleston, S.C.; also made mathematical instruments.
Kennard, John (1782-1861), Newmarket, N.H.; also made clocks.
Lamb, A., & Son (1780’s), New York; also made mathematical and nautical instruments.
Lamb, Anthony (1703-1784), New York; also made mathematical and nautical instruments.
Lamb, John (1735-1800), New York; also made mathematical and nautical instruments.
Miller, Aaron (fl. 1748-1771), Elizabeth, N.J.; also made clocks and directional compasses.
Newell, Andrew (1749-1798), Boston; also made mathematical instruments and directional compasses.
Platt, Augustus (1809-1886), Columbus, Ohio; also made mathematical and surveying instruments.
Platt, Benjamin (1757-1833), Danbury, Litchfield, and New Milford, Conn.; Lanesboro, Mass.; and Columbus, Ohio; also made directional compasses and clocks.
Potter, John (fl. 1785), Brookfield, Mass.
Rittenhouse, Benjamin (1740-c. 1820), Philadelphia; also made astronomical instruments.
Rittenhouse, David (1732-1796), Philadelphia; also made astronomical instruments.
Rittenhouse & Evans (fl. 1770’s), Philadelphia.
Stiles & Baldwin (fl. 1791), Northampton, Mass.
Stiles & Storrs (fl. 1792), Northampton, Mass.
Thacher, Charles, probably Boston.
Thaxter, Samuel (1769-1842), Boston; also made nautical and mathematical instruments.
Wall, George Jr. (fl. 1788), Bucks County, Pa.
Warren, Benjamin (fl. 1740-1790), Plymouth, Mass.; also made nautical instruments.
White, Peregrine (1747-1834), Woodstock, Conn.; also made clocks.
Whitney, Thomas (fl. 1798-1821), Philadelphia; also made mathematical and optical instruments.
Williams, William (1737/38-1792), Boston; also made nautical instruments.
← Back to Early American Scientific Instruments and Their Makers