CIRCULAR SAW MILLS, PLANERS Matchers, etc. Prices Low. S. HEALD & SONS Barre, Mass., make the Largest and Best Planer to be found for the money. Send for circulars.

SHINGLE AND HEADING MACHINE--Trevor & Co.'s Improved. The Simplest and Best in use. Also, Shingle, Heading, and Stave Jointers, Stave Cutters, Equalizers. Heading Turners, Planers, etc. Address TREVOR & CO, Lockport, N. Y.

The Inventor's And Mechanic's Guide

A valuable book upon Mechanics, Patents, and New Inventions. Containing the U. S. Patent Laws, Rules and Directions for doing business at the Patent Office; 112 diagrams of the best mechanical movements, with descriptions; the Condensing Steam Engine, with engraving and description; How to Invent; How to Obtain Patents; Hints upon the Value of Patents; How to sell Patents; Forms for Assignments; Information upon the Rights of Inventors, Assignees and Joint Owners; Instructions as to Interferences, Reissues, Extensions Caveats, together with a great variety of useful information in regard to patents, new inventions, and scientific subjects, with scientific tables, and many illustrations 108 pages. This is a most valuable work. Price only 25 cents. Address MUNN & CO., 37 Park Row, N.Y.

BALL, BLACK & CO.

Nos. 565 and 567 BROADWAY,

Offer an Unequaled Assortment of

JURGENSEN, NARDINE, JACOT, SALTZMAH, NICOUD, GERARD, FRODSHAM, PEARDON, GORDING, RUGENSTEIN, HARRISON, TAYLOR.

ALSO, A FULL LINE OF AMERICAN WATCHES,

At the Lowest Price.

ROPER Carloric Engine Co., 49 Cortlandt st. New Style Upright Engines. Send for Circular.

Perpetual Brick Kiln.

SAVES 2-3 IN FUEL. Address WEDEKIND & DUEBERG, 55 N. Calvert st., Baltimore, Md.

WANTED-To correspond with an extensive manufacturing firm of 1st-class reliability, to make and sell, on royalty, Dodge's 2-way cock or pump attachment. Exclusive control of territory given. 100,000 doz wanted in U.S. Address Hedden & Dodge, Lowville, N.Y.

Wanted

In an Extensive Agricultural Implement Works in Ohio, an Experienced and Capable Superintendent. None but a Through Machinist, who can give high reference as to Character, etc., need apply. Address

Thrashing Machine Works, Drawer 5947, Chicago, Ill.

RIGGS' BELMONTYLE OIL

PREVENTS

Rust, Tarnish, etc. Send for circular to

H.B. Riggs,

150 Front Street, Hew York.

The Mother's Journal.

THE BEST HOME MAGAZINE IN THE WORLD.

Beautifully illustrated; 600 double-column pages; $2 per year. Specimens sent free. Now is the time. Address

MOTHERS' JOURNAL, Chicago, 111.

Decision On Steam Engines

Wm. A. HARRIS, builder of the Corliss Steam Engine, was awarded the 1st Premium at the National Fair of the American Institute, New York,1869, for its superiority in economy in fuel, regularity in speed, perfect construction, accessibility of all its parts. Send for a circular. One 80-H.P. Engine, ready for delivery; one 40-H.P. Engine, ready for delivery; three 30-H.P. Engines, ready for delivery. WM. A. HARRIS Providence R.I. New York Office 49 Murray st. Send for a circular.

Manufacturers' Depot.

SPOKES, HUBS, WHEELS,

And a general assortment of Carriage and Wagon Wood work. The above goods are of our own manufacture, which enables us to offer better inducements than any other House in the city.

N.G. OLDS & SON,

51 Murray st., New York.

ROOT'S WROUGHT IRON SECTIONAL

Safety Boiler.

Composed of best Wrought Iron Tubes, tested to 500 pounds; no large sheet iron, shell or thin cast iron to explode. Absolutely safe, economical, durable, and efficient. Send for pamphlet. Also, Steam Engines, Steam Pumps, etc.

ROOT STEAM ENGINE CO.,

95 and 97 Liberty St., New York.

FOR SALE--A 60-H.P. Root's Sectional Safety Boiler, at Atlantic Sugar Refinery. Brooklyn. Apply to LABATT & CO., 111 Front st., New York.

POWER PLEDGED

Equal to any overshot, with

N.F. BURNHAM'S

New Turbine

Water Wheel.

Illustrated Pamphlet, for 1870, "with Reduced Price List," sent free by N.F. BURNHAM, "Patentee," York, Pa., or S.N. Hartwell, "Ag't," 98 Liberty st., N.Y.

The Woven Wire Mattress Co.

OF

HARTFORD, CONN.,

Call attention to the fact, that they have established AN AGENCY in the City of NEW YORK, at 82 E. Ninth St., opposite the store of A. T. Stewart & Co., for the sale of the

Woven Wire Mattress.

All who are interested in the article in this No. of the Scientific American, all who admired its qualities at the American Institute Fair, and all who desire A PERFECT BED, are requested to call at the Agency and examine it. The Mattresses are for sale by many of the Furniture Dealers in the city, and also throughout New England. If your furniture dealer does NOT keep them, order one through him, at the Agency in New York, or directly from the Co. Send for circulars, rights, or any information desired, to GEO. C. PERKINS, Sup't, Hartford, Ct.

STEREOSCOPES

WITH ENDLESS CHAIN--To hold from 3 to 50 doz. pictures, in great variety, at the Patentee's manufactory. ALX BECKER, 560 Broadway, N.Y.

TO INVENTORS AND MANUFACTURERS IN THE UNITED STATES--

Mr. George Wood, Wood's Museum and Menagerie, respectfully and earnestly invites the attention of Inventors and Manufacturers to the fact that, at a large expense, he has arranged a hall in the Museum Building, for the purpose of exhibiting to the public Models, Machines, and all the products of inventive genius in active working operation. The space allotted for this purpose embraces 6,000 square feet, supplied with Steam-power, Gas, and all the requirements of the Workshop, the Factory, and the Laboratory, which will be kept open every day and evening, and form a perpetual MECHANICS' FAIR, affording an opportunity to Inventors and Mechanics to place their products before thousands of daily visitors at a nominal tariff. Inventors and Mechanics are earnestly invited to co-operate in this laudable and advantageous enterprise, and are requested to call on or address MR. WALTER P. NEWHALL, Superintendent of Machinery and Models. GEO. WOOD, Proprietor. Office at Wood's Museum, corner Broadway and 30th st.