Item 99ARCHIVE ON US ORDNANCE TESTS OF TREADWELL PATENT CANNON, 1843.
A small, but interesting archive of six letters sent by US Army Chief of Ordnance, LTC George Talcott and his assistant, Captain William Maynardier during 1843 and 1844 to Professor Daniel Treadwell in Cambridge, Massachusetts regarding cannon of Treadwell's patented design, which the Army was then considering for purchase. Treadwell.....




















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