GUARDIOLA'S COFFEE & SUGAR MACHINERY
COFFEE, MAIT, CORN, COCOA, AND GRAIN-DRYING MACHINE. COFFEE-HULLING
AND POLISHING MACHINES. COFFEE-WASHING MACHINE. HELIX SUGAR
EVAPORATOR.
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 148 / 203 题