Virginia City Territorial Enterprise/April 19, 1863
ELECTRICAL MILL MACHINERY—Mr. Wm. L. Card, of Silver City, has invented a sort of infernal machine, which is to turn quartz mills by electricity. It consists of wheels and things, and—however, we could not describe it without getting tangled. Mr. Card assures us that he can apply his invention to all the mills in Silver City, and work the whole lot with one powerful Grove battery. We believe—and if we had galvanic sense enough to explain the arrangement properly, others would also. A patent has already been applied for.
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