Show a Great ent Work of Turbine In a gas fa factory tory at Ivry near Paris Paris a La Laval al turbine driven by Jets of steam was once set to work worle and when fairly under way was driven for Ic fa hours or Dr days without stopping stopping stop stop- ping for tor an instant An automatic oller kept It lubricated and a a. workman workman work work- man visited It once In 12 hours to replenish replenish replenish re re- tho the oil reservoir The speed of tho the circumference of or the rotating disk being about six miles a minute a point on that tha circumference o must have havo traveled in the tho course of ot the iso days almost five an and on one half times Umes the distance from the tho earth to ro the moon Har Harpers Harper's Harpers Harper's Weekly |