de in the Scientific American of all Inventions
patented through this Agency, with the name and residence of the Patentee.
By the immense circulation thus given, public attention is directed to the
merits of the new patent, and sales or introduction often easily effected.

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.
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MUNN & CO., 361 BROADWAY, NEW YORK.

Branch Office, cor. F and 7th Sts., Washington, D.C.

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455, September 20, 1884, by Various

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