A premium HORSE and WAGON for Agents. We desire to employ agents for a term of seven years, to sell the Buckeye $20.00 Shuttle Sewing Machine. It makes a st.i.tch alike on both sides, and is the best low-priced licensed machine in the world. W. A. HENDERSON & CO., Cleveland, Ohio, or St. Louis, Mo.

ALLCOTT'S LATHES, for Broom, Hoe, and Rake Handles, for sale by

L. W. POND, 98 Liberty st., New York.

UNRIVALLED Hand Saw Mill, Self-feeding, with ease. Rip 3-in. lumber; guaranteed do work of 3 men. The only hand saw machine known, does as represented. Thousands in use. Send for circular.

WM. H. HOAG, Sole Manufacturer, 214 Pearl st. N. Y.

U. S. PIANO CO. N. Y. Best in the World--$290. Sent on trial--See large cut and terms in Scientific American. Oct. 1st 1870.

_DOVETAILING MACHINE._ WILL MAKE 400 DRAWERS PER DAY. See SCIENTIFIC AMERICAN, Jan. 11, '71. H. H. EVARTS, 93 Liberty st.; TREVOR & CO., Lockport N. Y.

CIRCULAR SAW MILLS. HAYS & NEWMAN'S PATENT DOUBLE PARALLEL EDGERS, FOSTER'S PATENT LOG-CANTING MACHINES, and Sawmill Machinery generally, manufactured by the WASHINGTON MOWING MACHINE COMPANY. LEROY MOWRY, Agent, Sandy Hill, Wash. Co., N. Y. Send for Ill.u.s.trated Circulars and Price Lists.

_TO ELECTRO-PLATERS._ BATTERIES, CHEMICALS, AND MATERIALS, in sets or single, with books of instruction, manufactured and sold by THOMAS HALL, Manufacturing Electrician, 19 Bromfield street, Boston, Ma.s.s.

Ill.u.s.trated catalogue sent free on application.

PRIZE MEDAL SCROLL SAW.-- THOS. L. CORNELL, DERBY, CONN.

PATENT RIGHTS SOLD ON COMMISSION.

By E. E. ROBERTS & CO., Consulting Engineers, 15 Wall St., N. Y. Send Stamp for Circular.

NEWSPAPER ADVERTISING.

A Book of 125 closely printed pages, lately issued, contains a list of the best American Advertising Mediums giving the names, circulations, and full particulars concerning the leading Daily and Weekly Political and Family Newspapers, together with all those having large circulations, published in the interest of Religion, Agriculture, Literature, etc., etc. Every Advertiser, and every person who contemplates becoming such, will find this book of great value. Mailed free to any address on receipt of 25c.

GEO. P. ROWELL & CO.,

Publishers, No. 40 Park Row, New York.

The Pittsburgh (Pa.) Leader, in its issue of May 29, 1870 says:

"The firm of G. P. Rowell & Co., which issues this interesting and valuable book, is the largest and best Advertising Agency in the United States, and we can cheerfully recommend it to the attention of those who desire to advertise their business SCIENTIFICALLY and SYSTEMATICALLY in such a way: that is, so as to secure the largest amount of publicity for the least expenditure of money."

THE CELEBRATED _COLD-ROLLED SHAFTING._

This Shafting is in every particular superior to any turned Shafting ever made. It is the most ECONOMICAL SHAFTING to buy, being so very much stronger than turned Shafting. Less diameter answers every purpose, causing a great saving in coupling, pulleys and hangers.

It is perfectly round, and made to Whitworth Gage. All who give it a trial continue to use it exclusively. We have it in large quant.i.ties.

Call and examine it, or send for price list.

Address GEORGE PLACE & CO., 126 and 128 Chambers st., New York.

_N. Y. MACHINERY DEPOT._

GEORGE PLACE & CO., Manufacturers and Dealers in Wood and Iron Working Machinery, of every description, Stationary and Portable Engines and Boilers, Leather and Rubber Belting, and all articles needful in Machine or Railroad Repair Shops. 126 and 128 Chamber st., New York.

_STURTEVANT BLOWERS._

These are in every particular the best and most perfect Blower ever made. A full a.s.sortment of every size on hand, ready to deliver.

Address GEORGE PLACE & CO., 126 and 128 Chamber St., New York.

[Ill.u.s.tration: WROUGHT IRON Beams & Girders]

The Union Iron Mills, Pittsburgh, Pa. The attention of Engineers and Architects is called to our improved Wrought-iron Beams and Girders (patented), in which the compound welds between the stem and f.l.a.n.g.es, which have proved so objectionable in the old mode of manufacturing, are entirely avoided, we are prepared to furnish all sizes at terms as favorable as can be obtained elsewhere. For descriptive lithograph address Carnegie, Kloman & Co., Union Iron Mills, Pittsburgh, Pa.