Ridgeway, Thomas Shinn
Camden County Historical Society
P.O. Box 378
Collingswood, NJ 08108-0378
Inventor, of Pottsville, Pa. Patent given to Ridgeway on 1834 Dec. 17 for his invention of a "new and useful furnace for preparing and smelting iron ore with anthracite coal." Signed by Pres. Andrew Jackson.