The Babcock & Wilcox Steam Engine received the First Premium for the Most Perfect Automatic Expansion Valve Gear, at the late Exhibition of the American Institute. Babcock, Wilcox & Co., 44 Cortlandt st., New York.
For best quality Gray Iron Small Castings, plain and fancy Apply to the Whitneyville Foundery, near New Haven, Conn.
Keuffel & Esser, 71 Nassau st., N.Y., the best place to get 1st-class Drawing Materials, Swiss Instruments, and Rubber Triangles and Curves.
Foot Lathes--E.P. Ryder's improved--220 Center st., N.Y.
Those wanting latest improved Hub and Spoke Machinery, address Kettenring, Strong & Lauster, Defiance, Ohio.
For tinmans' tools, presses, etc., apply to Mays & Bliss, Brooklyn, N.Y.
Mill-stone dressing diamond machine, simple, effective, durable. Also, Glazier's diamonds. John Dickinson, 64 Nassau st., New York.
Send 3-cent stamp for a circular on the uses of Soluble Glass, or Silicates of Soda and Potash. Manufactured by L. & J.W. Feuchtwanger, Chemists and Drug Importers, 55 Cedar st., New York.
Glynn's Anti-Incrustator for Steam Boiler--The only reliable preventative. No foaming, and does not attack metals of boiler. Liberal terms to Agents. C.D. Fredricks, 587 Broadway, New York.
Cold Rolled--Shafting, piston rods, pump rods, Collins pat. double compression couplings, manufactured by Jones & Laughlins, Pittsburgh, Pa.