ic
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, Trade Marks, their costs, and how procured. Address

MUNN & CO.,
361 Broadway, New York.
Branch Office, 622 and 624 F St., Washington, D.C.

End of the Project Gutenberg EBook of Scientific American Supplement, No.
613, October 1, 1887, by Various

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