[9 and 12 inch shell production]
Document
Identifier:
F.0016.7.f005
Description
Proposed methods
Additional Information
9” and 12” Shell Production – operations and time required to do the machine work on 9.2” high explosive shells; proposed method and equipment for doing the work on 9.2” high explosive shells; proposed method and equipment for producing 12” high explosive shells; notes on proposed methods; breakdown of each operation and time needed to produce a 12” shell; correspondence with the Department of Militia and Defense
Date:
[191-]
Date:
1914 – 1918