FORSTER'S ROCK & ORE BREAKER AND COMBINED CRUSHER AND PULVERIZER.

[Illustration]

_The simplest machine ever devised for the purpose._

Parties who have used it constantly for six years testify that it

will do _double_ the work of _any other Crusher_, with one-third

the Power, and one-half the expense for keeping in repair.

The smaller sizes can be run with Horse Power.

Address TOTTEN & CO., Pittsburgh Pa.

Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 122 / 157 题