PORATOR.

MESSRS. C. ADOLPHE LOW & CO., 42 Cedar

Street, MESSRS. MUNOZ & ESPRIELLA, 52 Pine Street, new York, are Mr.
Guardiola's Agents, and they will give prompt attention to all orders
for any of the above machines.

* * * * *

FOUR GRAND PRIZE MEDALS!

AWARDED OUR EXHIBIT AT THE CENTENNIAL!

[Illustration: BLISS'S SELECT GARDEN SEEDS.]

BLISS'S ILLUSTRATED SEED CATALOGUE AND AMATEUR'S GUIDE TO THE FLOWER
AND KITCHEN GARDEN.--200 pages, including several hundred finely
executed engravings, and A BEAUTIFULLY COLORED LITHOGRAPH, 35 CENTS.

BLISS'S ILLUSTRATED GARDENER'S ALMANAC AND ABRIDGED CATALOGUE.--128
pages. Embraces a monthly calendar of operations, and a price list of
all the leading GARDEN, FIELD AND FLOWER SEEDS, profusely illustrated,
with brief directions for their culture. 10 CENTS.

BLISS'S ILLUSTRATED POTATO CATALOGUE contains a descriptive list of
all the varieties recently introduced, with many other desirable
sorts; also much useful information upon their cultivation. 10 CENTS.

B.K. BLISS & SONS,

34 BARCLAY ST., (P.O. BOX 5712.) NEW YORK.

Please state that you saw this advertisement in the SCIENTIFIC
AMERICAN.

* * * * *

WANTED.--A FIRST-CLASS MOLD MAKER ON Undertakers' Hardware. Address
CRANE, BREED & CO., Cincinnati, O.

* * * * *

[Illustration: PATENTS]

[ESTABLISHED 1846.]

MUNN & CO.'S PATENT OFFICES.

THE OLDEST AGENCY FOR ELICITING PATENTS IN THE UNITED STATES.

_THIRTY YEARS' EXPERIENCE._

MORE PATENTS have been secured through this agency, at home and
abroad, than through any other in the world.

They employ as their assistants a corps of the most experienced men as
examiners, specification writers, and draughtsmen, that can be found,
many of whom have been selected from the ranks of the Patent Office.

SIXTY THOUSAND inventors have availed themselves of Munn & Co.'s
services in examining their inventions and procuring their patents.

MUNN & CO., in connection with the publication of the SCIENTIFIC
AMERICAN, continue to examine inventions, confer with inventors,
prepare drawings, specifications, and assignments, attend to filing
applications in the Patent Office, paying the Government fees, and
watch each case, step by step, while pending before the examiner. This
is done through their branch office, corner F and 7th Sts.,
Washington. They also prepare and fi