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Show A Tlreles Turbine. In n gas factory at Ivry, near Paris, a Laval turbine, driven by Jots of steam, was onco sot to work, nnd nnd when fnlrly under way wns driven for 3.G00 hours, or 150 days, without stopping for nn Instant. An nutomatlo oiler kopt it lubricated, and a work-man work-man visited it onco in 12 hours to re-plenlsh re-plenlsh the oil reservoir. The speed of the circumference of tho rotating disk being about six miles n minute, n point on thnt clrcumferenco must have trnvolcd in the courso of tho ICO duys almost Avo and n half times the distance from tho earth to tho moon. Harpor's Weekyl. |