Comments by "crazypj" (@1crazypj) on "Drachinifel" channel.

  1. The history of artillery in general is closely related to the history of machine tools. Various types of lathes and what would become boring machines were developed (major difference between a lathe and milling machine or boring machine, in a lathe the work-piece turns and tool is held rigid (on some sort of slide) Boring machines and mills, the work is stationary and cutting tool rotates. There are woodcuts and drawings of waterwheel powered cannon boring machines
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