Scientific American Supplement, No. 455, September 20, 1884 eBook

This eBook from the Gutenberg Project consists of approximately 135 pages of information about Scientific American Supplement, No. 455, September 20, 1884.

Scientific American Supplement, No. 455, September 20, 1884 eBook

This eBook from the Gutenberg Project consists of approximately 135 pages of information about Scientific American Supplement, No. 455, September 20, 1884.

Any person who has made a new discovery or invention can ascertain, free of charge, whether a patent can probably be obtained, by writing to MUNN & Co.

We also send free our Hand Book about the Patent Laws, Patents, Caveats.  Trade Marks, their costs, and how procured.  Address

MUNN & CO., 361 BROADWAY, NEW YORK.

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Scientific American Supplement, No. 455, September 20, 1884 from Project Gutenberg. Public domain.