Address
MUNN & CO.,
Publishers Scientific American.
THE TANITE CO.,
STROUDSBURG, PA.
EMERY WHEELS AND GRINDERS.
GEO. PLACE, 121 Chambers St., New York Agent.
ROCK DRILLING MACHINES AND AIR COMPRESSORS MANUFACTURED BY BURLEIGH ROCK DRILL CO SEND FOR PAMPHLET FITCHBURG MASS.
STEAM PUMPS.
HENRY R. WORTHINGTON,