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Scientific American, Vol. 38, No. 4 (1878) (1878)

leaf 9

An illustration from Scientific American, Vol. 38, No. 4 (1878), 1878, leaf 9
quired to be thoroughly mixed. The new feature is lowed by a destructive tidal wave along the coast of Peru and tried it with the coffee preservative with good results. the mixer or kneader, which is formed of three arms or and Chili. On the Peruvian coast the wave was from 20 to If a person could… … curved spirally but fix its duration at in opposite direc- four or five minutes. In the valley of the tions to their re- St. Lawrence river the vibration was sufficient to overturn spective terminal points. the kneader may be operated by either hand or power, as crockery, crack ceilings, and in a…

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