LAP WELDED CHARCOAL IRON

Boiler Tubes, Steam Pipe, Light and Heavy Forgings, Engines, Boilers,

Cotton Presses, Rolling Mill and Blast Furnace Work.

READING IRON WORKS,

261 SOUTH FOURTH ST., PHILA.

* * * * *

PHOSPHOR-BRONZE

BEARINGS,

PUMP-RODS,

AND

SPRING WIRE.

[Illustration: Phosphor-bronze]

Apply to

THE PHOSPHOR-BRONZE SMELTING CO., Limited,

2038 Washington Ave., Philadelphia, Pa.

* * * * *

Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 118 / 162 题