*
THE
SCIENTIFIC AMERICAN SUPPLEMENT.
PUBLISHED WEEKLY.
TERMS OF SUBSCRIPTION, $5 A YEAR.
Sent by mail, postage prepaid, to subscribers in any part of the
United States or Canada. Six dollars a year, sent, prepaid, to any
foreign country.
All the back numbers of THE SUPPLEMENT, from the commencement, January
1, 1876, can be had. Price, 10 cents each.
All the back volumes of THE SUPPLEMENT can likewise be supplied. Two
volumes are issued yearly. Price of each volume, $2.50 stitched in
paper, or $3.50 bound in stiff covers.
COMBINED RATES.--One copy of SCIENTIFIC AMERICAN and one copy of
SCIENTIFIC AMERICAN SUPPLEMENT, one year, postpaid, $7.00.
A liberal discount to booksellers, news agents, and canvassers.
MUNN & CO., PUBLISHERS
361 Broadway, New York, N.Y.
* * * * *
USEFUL ENGINEERING BOOKS
Manufacturers, Agriculturists, Chemists, Engineers, Mechanics,
Builders, men of leisure, and professional men, of all classes, need
good books in the line of their respective callings. Our post office
department permits the transmission of books through the mails at very
small cost. A comprehensive catalogue of useful books by different
authors, on more than fifty different subjects, has recently been
published, for free circulation, at the office of this paper. Subjects
classified with names of author. Persons desiring a copy have only to
ask for it, and it will be mailed to them. Address,
MUNN & CO., 361 BROADWAY, NEW YORK.
* * * * *
PATENTS!
MESSRS. MUNN & CO., in connection with the publication of the
SCIENTIFIC AMERICAN, continue to examine improvements, and to act as
Solicitors of Patents for Inventors.
In this line of business they have had _forty-five years' experience_,
and now have _unequaled facilities_ for the preparation of Patent
Drawings, Specifications, and the prosecution of Applications for
Patents in the United States, Canada, and Foreign Countries. Messrs.
Munn & Co. also attend to the preparation of Caveats, Copyrights for
Books, Labels, Reissues, Assignments, and Reports on Infringements of
Patents. All business intrusted to them is done with special care and
promptness, on very reasonable terms.
A pamphlet sent free of charge, on application, containing full
information about Patents and how to procure them; directions
concerning Labels, Copyrights, Designs, Patents, Appe
|