THE TRADE ENGINE.
Noiseless in operation--Perfect in workmanship--all light parts of
Cast Steel.
Every Engine indicated, and valve corrected to give the highest
attainable results.
Warranted superior to any semi-portable Engine in the market!
Send for Price List and Circular.
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 127 / 203 题