| 801 | 
Pearsall & Tiebout. 1795-1795. New York City. clockmaker or watchmaker -- | 
| 802 | 
Pearsall, Joseph. 1774-1795. New York City. clockmaker or watchmaker -- | 
| 803 | 
Pearson & Gray. 1768-1768. Georgetown, S.C.. clockmaker or watchmaker -- | 
| 804 | 
Peck, Benjamin. 1793-1793. Savannah, Ga.. clockmaker or watchmaker -- | 
| 805 | 
Peck, Elijah. 1789-1789. Boston, Mass.. clockmaker or watchmaker -- | 
| 806 | 
Peck, Moses. 1789-1800. Boston, Mass.. clockmaker or watchmaker -- | 
| 807 | 
Perkins, Thomas. 1815-1819. Pittsburgh, Pa.. clockmaker or watchmaker -- | 
| 808 | 
Perret, Lewis (d.c.1817). 1817-1817. New Bern, N.C.. clockmaker or watchmaker -- | 
| 809 | 
Perret, Lewis. 1809-1809. Wilmington, N.C.. clockmaker or watchmaker -- | 
| 810 | 
Perret, Lewis. 1814-1814. Norfolk, Va.. clockmaker or watchmaker -- | 
| 811 | 
Perrett, Philip H.. 1819-1820. Cincinnati, Ohio. clockmaker or watchmaker -- | 
| 812 | 
Perry & Huston. 1790-1790. Staunton, Va.. clockmaker or watchmaker -- | 
| 813 | 
Perry, Elias. 1804-1804. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 814 | 
Pfaltz, John William. 1800-1810. Baltimore, Md.. clockmaker or watchmaker -- | 
| 815 | 
Phillips, J.. 1802-1802. Charleston, S.C.. clockmaker or watchmaker -- | 
| 816 | 
Phipps, Joseph. 1769-1769. South Carolina (unspecif.). clockmaker or watchmaker -- | 
| 817 | 
Phul, Henry Von. 1810-1810. Lexington, Ky.. clockmaker or watchmaker -- | 
| 818 | 
Pickering, John. 1814-1814. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 819 | 
Pickering, Joseph. 1816-1820. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 820 | 
Pickett, George. 1815-1820. King George Co., Va.. clockmaker or watchmaker -- | 
| 821 | 
Pierret, Mathew. 1795-1796. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 822 | 
Piggot, Samuel. 1820-1820. New York City. clockmaker or watchmaker -- | 
| 823 | 
Pigot, John. 1798-1806. Savannah, Ga.. clockmaker or watchmaker -- | 
| 824 | 
Pigot, John. 1800-1800. Alexandria, Va.. clockmaker or watchmaker -- | 
| 825 | 
Pinchbeck, Christopher. 1732-1732. London, England. clockmaker or watchmaker -- | 
| 826 | 
Pinckney, Charles. 1792-1797. Richmond, Va.. clockmaker or watchmaker -- | 
| 827 | 
Pinkard & Brown. 1774-1774. Savannah, Ga.. clockmaker or watchmaker -- | 
| 828 | 
Pinkard, Jonathan Thomas. 1774-1774. Savannah, Ga.. clockmaker or watchmaker -- | 
| 829 | 
Pinkard, Jonathan. 1773-1773. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 830 | 
Pittman, John. 1818-1818. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 831 | 
Platt, Ebenezer S.. 1792-1796. Lexington, Ky.. clockmaker or watchmaker -- | 
| 832 | 
Ponson, Peter. 1796-1796. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 833 | 
Pope & Trott. 1798-1798. Boston, Mass.. clockmaker or watchmaker -- | 
| 834 | 
Pope, Robert. 1789-1789. Boston, Mass.. clockmaker or watchmaker -- | 
| 835 | 
Post, Robert. 1811-1811. New York City. clockmaker or watchmaker -- | 
| 836 | 
Post, S.. 1785-1787. New Bern, N.C.. clockmaker or watchmaker -- | 
| 837 | 
Poupart, Jacques. 1820-1820. New Orleans, La.. clockmaker or watchmaker -- | 
| 838 | 
Powell, John. 1745-1745. Annapolis, Md.. clockmaker or watchmaker -- | 
| 839 | 
Praefelt, John. 1797-1798. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 840 | 
Prele, J. F.. 1809-1816. Charleston, S.C.. clockmaker or watchmaker -- | 
| 841 | 
Prescott, Ebenezer. 1789-1789. Charleston, S.C.. clockmaker or watchmaker -- | 
| 842 | 
Prescott, Ebezezer. 1787-1792. Augusta, Ga.. clockmaker or watchmaker -- | 
| 843 | 
Presetott, Henry. 1803-1805. New York City. clockmaker or watchmaker -- | 
| 844 | 
Price, Isaac. 1791-1800. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 845 | 
Price, Isaac. 1798-1798. Baltimore, Md.. clockmaker or watchmaker -- | 
| 846 | 
Price, Joseph. 1799-1804. Baltimore, Md.. clockmaker or watchmaker -- | 
| 847 | 
Price, Philip. 1813-1820. Philadelphia, Pa.. clockmaker or watchmaker -- | 
| 848 | 
Prince, Thomas. 1812-1812. New York City. clockmaker or watchmaker -- | 
| 849 | 
Pringle, John. 1820-1820. New York City. clockmaker or watchmaker -- | 
| 850 | 
Pritchard,. 1817-1817. Norfolk, Va.. clockmaker or watchmaker -- |