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Any Person Having a New Invention May, without Charge, Consult Munn&Co., Scientific American Office, 361 Broadway, New York, for Advice how to Obtain a Patent or Caveat. Our Hand Book of Instructions Relating to Patents Sent Free

Index of Inventions

For which Letters Patent of the United States were Granted November 17, 1885, and Each Bearing thata Date


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December 01, 1885

See the World from a Different Perspective

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