per care the machine will last for vears. A flywheel says: ‘The making of armor AWW on the shaft forms part cf the driving pulley, and in- plates is in its infancy. . sures a smooth ard steady speed under quite a. va- The qualities of steel are so riation of load. The driving pulley is arranged for… … genious dynamometer, which we also’ illustrate, by i Burns from Extreme Cold. At the last meeting of the Swiss Society of Natural nected up with lead or iron pipe with a stopcock, but for occasional service pressure hose may be used and Sciences, at Lausanne, M. Raoul Pictet gave some attached to…
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