.

FIRST PREMIUM AWARDED

us by the AMERICAN INSTITUTE in 1870. Critical examination of our
work solicited. All goods sent to our Factory will meet with prompt
attention.

New York Office--4 DEV ST., ROOM 2.

* * * * *

[Illustration]

BEST DAMPER REGULATOR
for Steam Boiler. Send for Circulars.
Agents wanted. MURRILL & KEIZER, Baltimore, Md.

* * * * *

PAT. SOLID EMERY WHEELS AND OIL STONES, for Brass and Iron Work, Saw
Mills, and Edge Tools. Northampton Emery Wheel Co., Leeds, Mass.

* * * * *

NO
LIVE MECHANIC
Can afford to be without some of
BAIRD'S
BOOKS
FOR PRACTICAL MEN.

My new and enlarged Catalogue of PRACTICAL AND SCIENTIFIC BOOKS, 82
pages, 8vo., will be sent, free of postage, to any one who will favor
me with his address.

HENRY CAREY BAIRD,
Industrial Publisher, 406 Walnut St.,
PHILADELPHIA.

* * * * *

THE FIFTH GRAND STATE FAIR
OF THE
MECHANICS AND AGRICULTURAL STATE ASSOCIATION OF LOUISIANA

Will be held on the Fair Grounds of the Association, in the city of
New Orleans, commencing SATURDAY, APRIL 8, 1871, and continuing nine
days. Exhibitors are invited from every section of America. Railroads,
steamships, and other transportation lines, as named in the Premium
Catalogues, will carry exhibitors and their wares to and from the
Fair at one half the usual rates. For further information see Premium
Catalogue, which will be sent to any address free of charge.

LUTHER HOMES, Secretary and Treasurer,
New Orleans, La.

* * * * *

[Illustration]

ROOT'S SAFETY BOILER.
For Pamphlets with Price
List and Testimonials, address
ROOT STEAM ENGINE CO,,
2d Ave., cor. 28th st., N. Y.
THE BEST IN THE MARKET.

* * * * *

_WIRE ROPE._
JOHN A. ROEBLING'S SONS,
MANUFACTURERS, TRENTON, N. J.

For Inclined Planes, Standing Ship Rigging, Bridges, Ferries, Stays,
or Guys on Derricks & Cranes, Tiller Ropes, Sash Cords of Copper
and Iron, Lightning Conductors of Copper. Special attention given
to hoisting rope of all kinds for Mines and Elevators. Apply for
circular, giving price and other information. Send for pamphlet on
Transmission of Power by Wire Ropes. A large stock constantly on hand
at New York Warehouse, No. 117 Liberty street.

* * * * *

$732 IN