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Scientific American, Vol. 42, No. 9 (1880) (1880)
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hile we were watch- The object of this invention is to construct a spring ing we saw two large fish break at the same swal- Fig. 3. —LONGITUDINAL SECTION OF MOTOR. low, the fish coming from opposite directions, and power mechanical movement for use in watches each head on to each. and neither was… … Dubuque, Iowa, has patented a buying out both companies, Fic. 4.—SIEMENS’ ELECTRICAL © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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