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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

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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

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September 01, 1886

See the World from a Different Perspective

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