Scientific American, Volume 56, No. 9, February 26, 1887Various
Science
Scientific American, Volume 56, No. 9, February 26, 1887
Various
Science -- Periodicals; Technology -- Periodicals
If an invention has not been patented in the United States for more
than one year, it may still be patented in Canada. Cost for Canadian
patent, $40. Various other foreign patents may also be obtained. For
instructions address Munn & Co., SCIENTIFIC AMERICAN patent
agency, 361 Broadway, New York.
Veneer Machines, with latest improvements. Farrel Fdry. Mach. Co.,
Ansonia, Conn. Send for circular.
Tight and Slack Barrel Machinery a specialty. John Greenwood & Co.,
Rochester, N. Y. See illus. adv., p. 28.
Walrus, Bull Neck, and Buffalo Leather for polishing emery, glue,
composition, Polishers' Supplies. Greene, Tweed & Co., New York city.
_Catarrh Cured._
A clergyman, after years of suffering from that loathsome disease,
catarrh, and vainly trying every known remedy, at last found a
prescription which completely cured and saved him from death. Any
sufferer from this dreadful disease sending a self-addressed stamped
envelope to Dr. Lawrence, 212 East 9th St., New York, will receive the
recipe free of charge.
Lick Telescope and all smaller sizes built by Warner & Swasey,
Cleveland, Ohio.
Send for catalogue of Scientific Books for sale by Munn & Co., 361
Broadway, N. Y. Free on application.
Notes & Queries
HINTS TO CORRESPONDENTS.
=Names and Address= must accompany all letters, or no attention will be
paid thereto. This is for our information, and not for publication.
=References= to former articles or answers should give date of paper
and page or number of question.
=Inquiries= not answered in reasonable time should be repeated;
correspondents will bear in mind that some answers require not a little
research, and, though we endeavor to reply to all, either by letter or
in this department, each must take his turn.
=Special Written Information= on matters of personal rather than
general interest cannot be expected without remuneration.
=Scientific American Supplements= referred to may be had at the office.
Price 10 cents each.
=Books= referred to promptly supplied on receipt of price.
=Minerals= sent for examination should be distinctly marked or labeled.
* * * * *
Public-domain text, read in full here on John Shaqi.
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