Thought the following illustrations would be of interest to those of you who are into engineering.
They are from "Manufacture Of Artillery Ammunition" a 1917 document which shows all of the stages of projectile production made by American and Canadian ordnance manufacturers for overseas clients (war aid)
They are from "Manufacture Of Artillery Ammunition" a 1917 document which shows all of the stages of projectile production made by American and Canadian ordnance manufacturers for overseas clients (war aid)