| 401 |
Grove, John. 1800-1808. Martinsburg, W.Va.. clockmaker or watchmaker -- |
| 402 |
Grove,. 1809-1809. Shepherdstown, W.Va.. clockmaker or watchmaker -- |
| 403 |
Grovett, George. 1811-1819. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 404 |
Gruzelier, John. 1819-1819. Petersburg, Va.. clockmaker or watchmaker -- |
| 405 |
Guild, John. 1818-1819. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 406 |
Guinand, Julius. 1816-1818. Lexington, Ky.. clockmaker or watchmaker -- |
| 407 |
Hagarty,. 1812-1812. New York City. clockmaker or watchmaker -- |
| 408 |
Hahn, C.G.. 1798-1798. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 409 |
Halewood, Henry. 1786-1790. Richmond, Va.. clockmaker or watchmaker -- |
| 410 |
Hall & Bliss. 1816-1818. Albany, N.Y.. clockmaker or watchmaker -- |
| 411 |
Hall, Asa. 1813-1816. Washington, Ga.. clockmaker or watchmaker -- |
| 412 |
Hall, Joseph. 1790-1791. New York City. clockmaker or watchmaker -- |
| 413 |
Hall, Peter. 1818-1819. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 414 |
Halliwell, George. 1804-1805. New York City. clockmaker or watchmaker -- |
| 415 |
Ham, George. 1821-1821. Portsmouth, N.H.. clockmaker or watchmaker -- |
| 416 |
Ham, Nathaniel J.. 1821-1821. Portsmouth, N.H.. clockmaker or watchmaker -- |
| 417 |
Ham, Supply. 1821-1821. Portsmouth, N.H.. clockmaker or watchmaker -- |
| 418 |
Hamman, Philip. 1817-1817. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 419 |
Hansell, James. 1816-1820. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 420 |
Hardy, William. 1773-1780. Charleston, S.C.. clockmaker or watchmaker -- |
| 421 |
Harland, Henry. 1813-1813. Boston, Mass.. clockmaker or watchmaker -- |
| 422 |
Harland, Henry. 1822-1822. New Orleans, La.. clockmaker or watchmaker -- |
| 423 |
Harland, Thomas. 1805-1806. New York City. clockmaker or watchmaker -- |
| 424 |
Harris, James. 1820-1820. New York City. clockmaker or watchmaker -- |
| 425 |
Harris, John. 1727-1738. Charleston, S.C.. clockmaker or watchmaker -- |
| 426 |
Harrison, Abner. 1813-1813. Knoxville,Tenn.. clockmaker or watchmaker -- |
| 427 |
Harrison, James. 1816-1818. Boston, Mass.. clockmaker or watchmaker -- |
| 428 |
Harry, John B.. 1808-1808. New Market, Va.. clockmaker or watchmaker -- |
| 429 |
Harry, John B.. 1818-1818. Lincoln Co., N.C.. clockmaker or watchmaker -- |
| 430 |
Hart, (Morgan &). 1819-1819. Pittsburgh, Pa.. clockmaker or watchmaker -- |
| 431 |
Hart, Hymon (d.c.1791). 1791-1791. Charleston, S.C.. clockmaker or watchmaker -- |
| 432 |
Hartman, John. 1811-1811. New York City. clockmaker or watchmaker -- |
| 433 |
Haushall, John. 1816-1817. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 434 |
Hawkhurst & Demilt. 1790-1795. New York City. clockmaker or watchmaker -- |
| 435 |
Hawkhurst, Nathaniel. 1786-1801. New York City. clockmaker or watchmaker -- |
| 436 |
Hawkins, Michael. 1800-1800. New York City. clockmaker or watchmaker -- |
| 437 |
Haydock, Robert. 1785-1785. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 438 |
Heilig, John. 1801-1802. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 439 |
Helm, Christian. 1802-1804. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 440 |
Henderson, Alexander. 1824-1824. Charleston, S.C.. clockmaker or watchmaker -- |
| 441 |
Hepton, Frederick. 1785-1785. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 442 |
Herard & Beraud. 1808-1808. New York City. clockmaker or watchmaker -- |
| 443 |
Herard, Jacque. 1809-1809. New York City. clockmaker or watchmaker -- |
| 444 |
Heroy, (Payn &). 1813-1813. Albany, N.Y.. clockmaker or watchmaker -- |
| 445 |
Hibben, Andrew. 1763-1784. Charleston, S.C.. clockmaker or watchmaker -- |
| 446 |
Hicks, James. 1787-1787. Baltimore, Md.. clockmaker or watchmaker -- |
| 447 |
Hicks, Willet. 1789-1790. New York City. clockmaker or watchmaker -- |
| 448 |
Hildeburn, Samuel. 1810-1817. Philadelphia, Pa.. clockmaker or watchmaker -- |
| 449 |
Hill, Charles. 1812-1812. New York City. clockmaker or watchmaker -- |
| 450 |
Hill, Joseph. 1813-1816. New York City. clockmaker or watchmaker -- |
