From ¼ to 15,000 lb. weight, true to pattern, of unequaled strength, toughness, and durability. 15,000 Crank Shafts and 10,000 Gear Wheels of this steel now running prove its superiority over all other Steel Castings. Send for circular and price list. CHESTER STEEL CASTINGS Co., 407 Library St., Phila, Pa. CARNEGIE BROS & CO UNION IRON MILLS PITTSBURGH PA. WROUGHT IRON BEAMS CHANNELS TEES & ANGLES The attention of Architects, Engineers, and Builders is called to the great decline in prices of wrought STRUCTURAL IRON. It is believed that, were owners fully aware of the small difference in cost which now exists between iron and wood, the former, in many cases, would be adopted, thereby saving _insurance_ and avoiding all risk of _interruption_ to _business_ in consequence of fire. Book of detailed information furnished to Architects, Engineers, and Builders, on application. ALAND'S Silent Injector, Blower & Exhauster. Apply to S. ALAND, Rome, Oneida Co., N. Y. [Illustration] WOOD-WORKING MACHINERY, Such as Woodworth Planing, Tonguing, and Grooving Machines, Daniel's Planers, Richardson's Patent Improved Tenon Machines, Mortising, Moulding, and Re-Saw Machines. Eastman's Pat. Miter Machines, and Wood-Working Machinery generally. Manufactured by WITHERBY, RUGG & RICHARDSON, 26 Salisbury Street, Worcester, Mass. (Shop formerly occupied by R. BALL & CO.) SHAFTS, PULLEYS, HANGERS, ETC. Full assortment in store for immediate delivery. WM. SELLERS & CO., 79 Liberty Street, New York. PORTER MANUF'G CO. [Illustration] [Illustration: The New Economizer Boiler] The New Economizer, the only Agricultural Engine with Return Flue Boiler in use. Send for circular to PORTER MFG. Co., Limited, Syracuse, N. Y. G. G. YOUNG, Gen. Agt., 42 Cortland St., New York. FORSTER'S ROCK & ORE BREAKER AND COMBINED CRUSHER AND PULVERIZER. [Illustration] _The simplest machine ever devised for the purpose._ Parties who have used it constantly for six years testify that it will do _double_ the work of _any other Crusher_, with one-third the Power, and one-half the expense for keeping in repair. The smaller sizes can be run with Horse Power. Address TOTTEN & CO., Pittsburgh Pa. STEAM PUMPS. HENRY R. WORTHINGTON. 239 BROADWAY, N. Y. 83 WATER ST., BOSTON. 709 MARKET ST., ST. LOUIS, MO. THE WORTHINGTON PUMPING ENGINES FOR WATER WORKS--Compound, Condensing or Non-Condensing. Used in over 100 Water-Works Stations. WORTHINGTON STEAM PUMPS of all sizes and for all purposes. PRICES BELOW THOSE OF ANY OTHER STEAM PUMP IN THE MARKET. WATER METERS. OIL METERS. KNOW THYSELF.