NEW HAVEN, CONN., or 91 Liberty Street, New York.

MACHINERY.--S.C. HILLS, No.12 Platt st., New York, dealer in all kinds of Machinery and Machinists' supplies. 2 tf a

Scientific American, Vol.22, No. 1, January 1, 1870 — Part 141

AGENTS wanted everywhere. Brown's Pat. Double Cone Ventilating Damper gives the most heat with the least fuel. Send tor Circulars.

Scientific American, Vol.22, No. 1, January 1, 1870 — Part 141

O.R. BRIGGS & CO., 184 Washington st., N.Y

Scientific American, Vol.22, No. 1, January 1, 1870 — Part 141

Coating uniformly over the entire sheet, by an entirely new and patented process. All sizes and gages on hand and made to order.

Probably superior to any in the market. Patent for sale. Address

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.

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

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

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.