2d hand Planers, 7' x 30", $300; 6' x 24", $225; 5' x 24", $200; sc. cutt. b'k g'd Lathe, 9' x 28", $200; A. C. Stebbins, Worcester, Mass.
J. C. Hoadley, Consulting Engineer and Mechanical and Scientific Expert, Lawrence, Mass.
Best Wood Cutting Machinery, of the latest improved kinds, eminently superior, manufactured by Bentel, Margedant & Co., Hamilton, Ohio, at lowest prices.
Water Wheels, increased power. O. J. Bollinger, York, Pa.
We make steel castings from ¼ to 10,000 lbs. weight. 3 times as strong as cast iron. 12,000 Crank Shafts of this steel now running and proved superior to wrought iron. Circulars and price list free. Address Chester Steel Castings Co., Evelina St., Philadelphia, Pa.
Diamond Saws. J. Dickinson, 64 Nassau St., N. Y.
Machine Cut Brass Gear Wheels for Models, etc. (new list). Models, experimental work, and machine work generally. D. Gilbert & Son, 212 Chester St., Phila., Pa.
Holly System of Water Supply and Fire Protection for Cities and Villages. See advertisement in Scientific American of last week.
The only Engine in the market attached to boiler having cold bearings. F. F. & A. B. Landis, Lancaster, Pa.