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Scientific American, Vol. 80, No. 8 (1899) (1899)
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but the illustrated a stamp-mill referred to as ‘* Parker’s Rotary In order that the doors may be air-tight when closed Ore-Stamping Mill,” the invention of which was cred- gear seeins to closely resemble that of the horseless the various wheel-bars and parts have been placed in ited to A. A.… … Constructed after the plans of M. Auvert, engineer © 1899 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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