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Scientific American, Vol. 48, No. 9 (March 1883) (1883)

leaf 9

An illustration from Scientific American, Vol. 48, No. 9 (March 1883), 1883, leaf 9
thers in mental principle. interests controlled by the American Bell Company and the The figures annexed illustrate four of the forms that the this country. Western Union. Bell's application is, of course, in the in- instruments may take, similar parts being indicated by like terest of the Bell… … infringement in New York and New Bedford, for using the patents issued in 1883 only a few possess a general interest. THE REIS-THOMPSON TELEPHONE A singular feature in patents is the tendency to come in telephone switch, and in Hartford for infringement in using what is alleged to be the McDonough…

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