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    Any Person Having a New Invention may, without Charge, Consul MUNN & Co., Scientific American Office 361 Broaroadway, New York, for Advice how to Obtain a Patent or Caveat. Ourr Hand of Instruct- torso Relating to Misspent Free.

    Business and Personal

    Any Person Having a New Invention may, without Charge, Consul MUNN & Co., Scientific American Office 361 Broaroadway, New York, for Advice how to Obtain a Patent or Caveat. Ourr Hand of Instruct- torso Relating to Misspent Free.

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      October 01, 1886