Box 16
Container
Contains 2 Results:
Patent papers, 1864-1927
Found in:
Manuscripts and Archives
>
0501, P.S. du Pont office collection
>
E.I. du Pont de Nemours & Company and du Pont family miscellany
File — Box: 16, Folder: 103
Accession: 0501Identifier: 0501-IV.
Scope and Contents:
For an improvement in metallic kegs, 1864-1869
Original and two copies of patent taken out by Lammot du Pont for an improvement in Plates for Pressing Gunpowder, 1865
By Henry Julius Smith, other than blasting apparatus, 1865-1873
For the manufacture of improved gunpowder, 1868-1873
Taken out by H. Julius Smith for an electric blasting apparatus, 1868-1927
By Theodore Hawley, regarding improvements in Reversible Self attaching Lap Ropes, 1887
Includes:
Dates:
1864-1927
Formulas, 1892-1894, undated
Found in:
Manuscripts and Archives
>
0501, P.S. du Pont office collection
>
E.I. du Pont de Nemours & Company and du Pont family miscellany
File — Box: 16, Folder: 104
Accession: 0501Identifier: 0501-IV.
Scope and Contents:
Old Laboratory Formula Book of the Fiarfield Rubber Company, 1892-1894, and part of a formula for W. A. (Smokeless Powder Co.?) in a sealed envelope; (Note on envelope reads: "Other part of this formula in L. & R. safe deposit box") in letter code, undated
Dates:
1892-1894; undated
