| 1 | 
Aberegg, John. 1812-1819. Charleston, S.C.. clockmaker or watchmaker -- | 
| 2 | 
Adams & Eaton. 1816-1820. Boston, Mass.. clockmaker or watchmaker -- | 
| 3 | 
Adams & Harland. 1813-1813. Boston, Mass.. clockmaker or watchmaker -- | 
| 4 | 
Adams, Nathan. 1811-1811. New York City. clockmaker or watchmaker -- | 
| 5 | 
Adams, Thomas F.. 1803-1808. Baltimore, Md.. clockmaker or watchmaker -- | 
| 6 | 
Adams, Thomas F.. 1807-1808. Petersburg, Va.. clockmaker or watchmaker -- | 
| 7 | 
Adams, Thomas F.. 1809-1810. Edenton, N.C.. clockmaker or watchmaker -- | 
| 8 | 
Adams, Thomas F.. 1810-1810. Boston, Mass.. clockmaker or watchmaker -- | 
| 9 | 
Adams, Thomas. 1791-1792. Norfolk, Va.. clockmaker or watchmaker -- | 
| 10 | 
Adams, William. 1798-1820. Boston, Mass.. clockmaker or watchmaker -- | 
| 11 | 
Alexander, Robert W.. 1811-1811. Frankfort, Ky.. clockmaker or watchmaker -- | 
| 12 | 
Allen, John. 1798-1798. New York City. clockmaker or watchmaker -- | 
| 13 | 
Andrews, James. 1817-1820. New York City. clockmaker or watchmaker -- | 
| 14 | 
Anistin, Isaac. 1785-1785. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 15 | 
Ashton,. 1797-1797. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 16 | 
Aspinwall, Zalmon. 1807-1813. Boston, Mass.. clockmaker or watchmaker -- | 
| 17 | 
Atheaton, Otis. 1789-1789. New York City. clockmaker or watchmaker -- | 
| 18 | 
Atkinson, Ann-Mary. 1796-1817. Baltimore, Md.. clockmaker or watchmaker -- | 
| 19 | 
Atkinson, August. 1804-1809. Baltimore, Md.. clockmaker or watchmaker -- | 
| 20 | 
Aunspaugh, Charles. 1822-1822. Tazewell Co., Va.. clockmaker or watchmaker -- | 
| 21 | 
Austin, Isaac. 1785-1801. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 22 | 
Babcock, Alvan. 1810-1818. Boston, Mass.. clockmaker or watchmaker -- | 
| 23 | 
Bach, Valentine. 1798-1798. Frederick, Fred.Co., Md.. clockmaker or watchmaker -- | 
| 24 | 
Bachelard, Charles. 1774-1775. Savannah, Ga.. clockmaker or watchmaker -- | 
| 25 | 
Bacon, Samuel. 1752-1752. Annapolis, Md.. clockmaker or watchmaker -- | 
| 26 | 
Badger, Duke A.G.. 1820-1820. Port Gibson, Miss.. clockmaker or watchmaker -- | 
| 27 | 
Badollet, Paul. 1795-1798. New York City. clockmaker or watchmaker -- | 
| 28 | 
Bailey, John. 1803-1816. Boston, Mass.. clockmaker or watchmaker -- | 
| 29 | 
Bailey, John. 1819-1819. Elizabeth City, N.C.. clockmaker or watchmaker -- | 
| 30 | 
Bailey, William (Jr.). 1816-1820. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 31 | 
Baker, Brian B.. 1802-1802. Brooklyn, N.Y.. clockmaker or watchmaker -- | 
| 32 | 
Balch & Choate. 1816-1816. Boston, Mass.. clockmaker or watchmaker -- | 
| 33 | 
Balch, Daniel. 1811-1811. Newburyport, Mass.. clockmaker or watchmaker -- | 
| 34 | 
Baldwin, Cyrus. 1819-1819. New York City. clockmaker or watchmaker -- | 
| 35 | 
Ballantine, James. 1772-1772. Norfolk, Va.. clockmaker or watchmaker -- | 
| 36 | 
Banks, Joseph. 1819-1819. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 37 | 
Bannister, (Launey &). 1803-1803. New York City. clockmaker or watchmaker -- | 
| 38 | 
Banstein, John. 1790-1790. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 39 | 
Barker, Brian B.. 1786-1805. New York City. clockmaker or watchmaker -- | 
| 40 | 
Barker, Michael. 1763-1763. Frederick Co., Va.. clockmaker or watchmaker -- | 
| 41 | 
Barker, William (I). 1800-1820. Boston, Mass.. clockmaker or watchmaker -- | 
| 42 | 
Barker, William (II). 1806-1810. Boston, Mass.. clockmaker or watchmaker -- | 
| 43 | 
Barkley, Joseph. 1815-1822. Baltimore, Md.. clockmaker or watchmaker -- | 
| 44 | 
Barnes, Matthew. 1819-1819. Richmond, Va.. clockmaker or watchmaker -- | 
| 45 | 
Barnett, Moss. 1820-1820. New York City. clockmaker or watchmaker -- | 
| 46 | 
Barnett, Woolf. 1802-1802. Charleston, S.C.. clockmaker or watchmaker -- | 
| 47 | 
Barns, John. 1756-1756. West River, Md.. clockmaker or watchmaker -- | 
| 48 | 
Barrington, Joseph. 1792-1792. Salisbury, N.C.. clockmaker or watchmaker -- | 
| 49 | 
Basset, George Francis. 1797-1798. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 50 | 
Bassett, N.B.. 1813-1816. Albany, N.Y.. clockmaker or watchmaker -- |