Patent Model - Improvement in Attaching the Heads of Metallic Powder-Kegs, &c.

Maker and role
James Wilson, Patentee
Charles Green, Patentee
William Wilson, Jr., Patentee
Production date
Jul 12 1859
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Object detail

Metal, paper
7 3/4 x 6 3/4" (19.7 x 17.1cm)
Wilson, Green and Wilson Jr.'s patent describes the process for attaching the head of the gunpowder keg without using solder. "A cylinder, either plain or corrugated is first formed. A flange is left upon each end. The heads are struck from a thin plate of metal by a die. Each head is provided with a flange double the width of that left upon the cylinder. This flange is then bent downward..." (Patent Number 24,772)

Green and Wilson made gunpowder kegs for the DuPont Company.
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