o lower it. , The Noisiel chocolate factory has eight machines arranged To the Editor of the Scientific American : in two batteries of four each. They are operated by a hy- On page 140, (2), current volume of the SCIENTIFIC AMERI- E, is 12 inches diameter. caNn,T. and D. say they are greatly… … ly inches pitch, ought to give good results. Ibs. pressure at the start, decreasing to 118+-x30=8390 at the DK ISES et end, Then 206,677 — 3390=208,287+2=101,643+ Ibs, average APPLICATION OF ELECTRIC LIGHT.—Fig. 2. A Much-Needed Postal Convenience. pressure. But-the plunger, F, which delivers this…
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