SHAFTS PULLEYS HANGERS
At Low Prices. Large Assorted Stock. A. & F. BROWN, 57-61 Lewis St., New
York.
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[Illustration]
THE BAKER BLOWER, Centennial Judges Report.
"Good Design and Material. Very efficient in action. With the special
advantages that they can be connected for motion directly with engine
without the use of gearing or belting."
Scientific American, Volume XLIII., No. 25, December 18, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 158 / 165 题