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Interior of Saltpeter Refinery at Eleutherian Mills
Interior of Saltpeter Refinery at Eleutherian Mills
Saltpeter Refinery and first company chemical laboratory at Eleutherian Mills
Correspondence, Aaron Burr to Dr. Samuel Brown, 1806-01-19
Account of the 'Adventures of Lammot du Pont'
Manufacture of Black Powder
Saltpeter refinery in Upper Yard (exterior view)
Contract, Henry Lee with E.I. du Pont de Nemours & Company, 1835-04-05
Contract, Henshaw and Company with E.I. du Pont de Nemours & Company, 1835-04-05
Contract, Samuel Austin, Jr. with E.I. du Pont de Nemours & Company, 1835-03-23
Correspondence, Archibald McCall to E. I. du Pont de Nemours and Company, 1807-10-28
Correspondence, Archibald McCall to E. I. du Pont de Nemours and Company, 1807-12-29
Correspondence, Archibald McCall to E. I. du Pont de Nemours and Company, 1807-12-15
Correspondence, Augustus George Hazard to E.I. du Pont de Nemours & Company, 1861-11-26
Eleutherian Mills Yard of E.I. du Pont de Nemours & Co., looking toward saltpeter refinery