Water Wheels.

More than four times as many of Jas. Lefell's improved Double Turbine Water Wheels in operation than any other kind. 24 sizes made, ranging from 5 3-4 to 96 in. diam. under heads from 1 to 240 ft. Successful for every purpose. Large new pamphlet, the finest ever published, containing over 30 fine illustrations, sent free to parties interested in water power.

JAS. LEFFEL & CO.,
Springfield, O., and 109 Liberty St., New York City.


Steel Castings,

From 1-4 to 10,000 lbs. weight. An invaluable substitute for expensive forgings or for malleable iron castings requiring great strength. Send for circular and price list to CHESTER STEEL CASTING COMPANY, EVELINA STREET, PHILADELPHIA, PA.


GEORGE C. HICKS & CO.,

Baltimore, Md. CLAY RETORTS, TILES, FIRE BRICKS, &c. Terra Cotta Pipes of all sizes.