JAS. B. CROUTHERS, M. E., General Eastern Manager, 112 Liberty Street, New York.
DRAWING INSTRUMENTS,
DRAWING PAPER,
BLUE PROCESS PAPER,
AMERICAN LIQUID INK.
A fully illustrated and priced catalogue of 200 pages of all instruments and materials used by draughtsmen sent upon mention of this paper.
G. S. WOOLMAN,
116 FULTON ST.,
NEW YORK.
“MERSHON” PATENT
SHAKING GRATE
For Steam and Hot Air Furnaces. The most reliable and Perfect Shaking Grate in the world. Send for catalogue. “Mershon” Patent Shaking Grate, Heater and Range Works,
1203 Filbert Street, Philadelphia, Pa.