The Ohio Democrat. [volume] (Canal Dover, Ohio) 1840-1900, 1863-05-22
ILLUSTRATED
sfirntifir Amtrifal,
The Best Mechanical Paper inthe World,
EIGHTEENTH YEAR.
vo1.UME vI1I...NEw SERIES.


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A NBw volume of this popular Journal COM
N menees on the first of January. Itispub-
lished WEEKLY, and every number contains six
teen pages Of useful information, and from five
to ten original eugravings of new inventions
and discoveries, all of which are prepared ex-
pressly for its columns. a.
To the Mechanic and Manufacturer
No person engaged in any of the mechanical
or manufacturing pursuits should think of "do-
ing withuot' the SCIENTIFIC AMERICAN. 1t costs
but six centsper week; every number contains
from six to ten engravings of new machines
and inventions, which can not be found in any
other publication.
To the Inventor.
The Scientific American is indispensable to
every inventor, as it not only contains Illus
trated descriptions of nearly all the hest in
ventions as they come out, but each number
contains an Official List of the Claims of all
the Patents issued from the United States Pa
tent Office during the week previous; thus CIV
ing correct history Of the progress of inyen-
tions in this country. We are also receiving,
every week, the estscientife journals of Great
Britain, France, and Germany; thus placing
in our possession all that Is transpiring in
mechanical science and art in these old coun-
tries. We shall continue to transfer to our
columns copious extracts from these journals
of whatever we may deem of interest TO our
readers.
A pamphlet of instruction as to the best mode
of obtaining Letters Patent on new inventions,
is furnished free on application.
Messrs. Mum & Co. have acted as Patent
Solicitors for more than seventeen years, in
connection with the publication of the Scien-
tifc American, and they refer to 10000 paten-
tees for whom they have done business.
| No charge is made for examining sketches
and models of new inventions and for advis-
ing inventors az to their patentability.
Chemists, Architects, Millwrights an
Farmers.
The Scientific American will be fOpnd most
useful journal to them. All the new discoveries
in the science of chemistry are given in its col;
umns, and the interests of the architect and
carpenter are not overlooked; all the new in
ventions and discoveries appertaining to these
pursuits being published from week to week
Useful and practical information pertaining to
the interests of millwrghts and millowners
will be found in the Scientific American, which
information they can not possibly obtain from
any other source. Subjects in which farmers
are interested will be found discussed in the
Scientific American; most of the improvement:
in agricultural implements being illustrated
in its columns.
TERMS TO mail subscribers: Three Dol
lars year, or One Dollar for four months
The volumes commence on the 1st of January
and July. Specimen copies will be sent graft:
to any part of the country.
Western and Canadian money or Post. otfict
stamps taken at par for subscriptions. Cana
dian subscribers will please to remit twenty
FIVE cents extra on each years subscription t
prepay postage. MUM y Co.,
Publishers,
Dec. 10, '62. 81 fark Bow, N Y.