H. B. BIGELOW & CO.,

New Haven, Conn.


[Diamonds and Carbon]

Shaped or Crude, furnished and set for Boring Rocks, Dressing Mill Burrs, Emery Wheels, Grindstones, Hardened Steel, Calender Rollers, and for Sawing Turning, or Working Stone and other hard substances: also Glaziers' Diamonds. J. DICKINSON, 64 Nassau St., N. Y.


SECOND-HAND ENGINES,

Portable and Stationary, at Low Prices.

HARRIS IRON WORKS, TITUSVILLE, PA.