| 201 |
Perry, David. 1810-1819. New York City. iron furnace (or owner) -- |
| 202 |
Phoenix Furnace. 1717-1820. Albany, N.Y.. iron furnace (or owner) -- |
| 203 |
Pierce, John. 1819-1822. Baltimore, Md.. iron furnace (or owner) -- |
| 204 |
Pitt, John. 1703-1703. Isle of Wight Co., Va.. iron furnace (or owner) -- |
| 205 |
Pittsburgh Air Foundry. 1810-1810. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 206 |
Price, William. 1815-1819. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 207 |
Pue, Michael. 1773-1781. Anne Arundel Co., Md.. iron furnace (or owner) -- |
| 208 |
Rallings, James. 1731-1731. Spotsylvania Co., Va.. iron furnace (or owner) -- |
| 209 |
Recovery Furnace. 1771-1771. Spotsylvania Co., Va.. iron furnace (or owner) -- |
| 210 |
Redwell Furnace. 1787-1809. Shenandoah Co., Va.. iron furnace (or owner) -- |
| 211 |
Richards, William. 1814-1814. Wilmington, Del.. iron furnace (or owner) -- |
| 212 |
Ridgely, Charles. 1773-1781. Anne Arundel Co., Md.. iron furnace (or owner) -- |
| 213 |
Robertson, James. 1803-1803. Montgomery Co., Tenn.. iron furnace (or owner) -- |
| 214 |
Robinson, James. 1815-1815. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 215 |
Rodgers, James. 1813-1820. Albany, N.Y.. iron furnace (or owner) -- |
| 216 |
Rogers, James. 1814-1814. Adams Co., Ohio. iron furnace (or owner) -- |
| 217 |
Russell, William. 1780-1782. Anne Arundel Co., Md.. iron furnace (or owner) -- |
| 218 |
Ryan, Thomas. 1813-1821. Baltimore, Md.. iron furnace (or owner) -- |
| 219 |
Sabbaton, Paul Alexis. 1814-1817. Richmond, Va.. iron furnace (or owner) -- |
| 220 |
Saunders, Peter, & Co.. 1820-1820. Franklin Co., Va.. iron furnace (or owner) -- |
| 221 |
Scobey, John. 1814-1817. Baltimore, Md.. iron furnace (or owner) -- |
| 222 |
Seely, Jeremiah. 1801-1801. New York City. iron furnace (or owner) -- |
| 223 |
Semple, John. 1764-1788. Prince William Co., Va.. iron furnace (or owner) -- |
| 224 |
Shepherd, Adam. 1799-1811. Bullitt Co., Ky.. iron furnace (or owner) -- |
| 225 |
Skidmore, Paul. 1812-1817. Louisville, Ky.. iron furnace (or owner) -- |
| 226 |
Speedwell Furnace. 1781-1781. Guilford Co., N.C.. iron furnace (or owner) -- |
| 227 |
Spencer, Thomas. 1813-1820. Albany, N.Y.. iron furnace (or owner) -- |
| 228 |
Stedman, Thomas, & Co.. 1807-1807. Bath Co., Ky.. iron furnace (or owner) -- |
| 229 |
Stevenson, James. 1796-1801. New York City. iron furnace (or owner) -- |
| 230 |
Sturtevant & Worrall. 1818-1819. New York City. iron furnace (or owner) -- |
| 231 |
Sturtevant, Eliphalet. 1818-1820. New York City. iron furnace (or owner) -- |
| 232 |
Sutton & McNickle. 1814-1814. Adams Co., Ohio. iron furnace (or owner) -- |
| 233 |
T.C.. 1763-1763. Unknown. iron furnace (or owner) -- |
| 234 |
Tantamount Furnace. 1807-1807. Franklin Co., Ky.. iron furnace (or owner) -- |
| 235 |
Tatem & Hawkins. 1819-1819. Cincinnati, Ohio. iron furnace (or owner) -- |
| 236 |
Tayloe, John (I). 1728-1747. Virginia (unspecified). iron furnace (or owner) -- |
| 237 |
Tayloe, John (II). 1756-1779. Virginia (unspecified). iron furnace (or owner) -- |
| 238 |
Thompson, William. 1764-1764. York Co., Pa.. iron furnace (or owner) -- |
| 239 |
Thornburgh, (Blackford &). 1805-1812. Frederick Co., Md.. iron furnace (or owner) -- |
| 240 |
Thornton, Anthony. 1771-1771. Spotsylvania Co., Va.. iron furnace (or owner) -- |
| 241 |
Thornton, Presly. 1756-1756. Virginia (unspecified). iron furnace (or owner) -- |
| 242 |
Union Air Furnace. 1797-1817. New York City. iron furnace (or owner) -- |
| 243 |
Union Air Furnace. 1813-1820. Albany, N.Y.. iron furnace (or owner) -- |
| 244 |
Union Furnace. 1816-1816. Jackson Co., Ga.. iron furnace (or owner) -- |
| 245 |
Union Iron Foundry. 1812-1817. Baltimore, Md.. iron furnace (or owner) -- |
| 246 |
Valentine, George. 1813-1813. Harford Co., Md.. iron furnace (or owner) -- |
| 247 |
Valentine, Jacob. 1813-1813. Harford Co., Md.. iron furnace (or owner) -- |
| 248 |
Ward, Bart.. 1814-1814. New York City. iron furnace (or owner) -- |
| 249 |
Warren, Henry. 1820-1820. New York City. iron furnace (or owner) -- |
| 250 |
Warwick Furnace. 1778-1778. Chester Co., Pa.. iron furnace (or owner) -- |