Slide 20 The Expense of the Armory System John Hall's Precision Machinery Easy to Operate An 18 Year Old Could Keep 3 Machines Going Small Orders and Inadequate Facilities Prevented Economies of Scale: 1824 - 1841 Funding for Hall Driven by Interchangeability Government was Experimenting Cost Was Higher than Traditional Methods… Interchangeability Remained Esoteric Most Manufacturing Stuck to Using Fitters
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