WITH AUTOMATICAL CUT-OFF REGULATOR, AND BALANCED VALVE.
THE BEST AND MOST ECONOMICAL ENGINE MADE
SEND FOR CIRCULAR
The J. C. HOADLEY CO. LAWRENCE, MASS.
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 199 / 213 题