ENGINES AND BOILERS.

New and complete. One 2-horse power, $140: 3 H.P., $175; 5H. P., $250;

10 H.P., $500; 25 H.P., $1,000; all sizes in proportion. Patterns,

drawings and models best and cheapest of any. Address POND 187 Grand

St. N.Y.

* * * * *

_Founded by Mathew Carey, 1785._

Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 106 / 203 题