. American engineer and railroad journal . >2, sn win n [HO INSERTED COW n I mi: mm I .. l KJ 23.—SHARPENING TAP. The thermo-dynamic efficiency of all gas engines is now scmuch greater than any heat efficiency attained in steam en-thai we can well afford to reduce economy, if need be, inorder to make more c rtain of good practical results—that is,to make more certain of low cost for upkeep and repairs. Inmy view it would pay in large gas engines even to reduce fueleconomy if by so doing entire immunity from breakdown wassecured. So far the best means of limiting tfmperature in asimple way a

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. American engineer and railroad journal . >2, sn win n [HO INSERTED COW n I mi: mm I .. l KJ 23.—SHARPENING TAP. The thermo-dynamic efficiency of all gas engines is now scmuch greater than any heat efficiency attained in steam en-thai we can well afford to reduce economy, if need be, inorder to make more c rtain of good practical results—that is,to make more certain of low cost for upkeep and repairs. Inmy view it would pay in large gas engines even to reduce fueleconomy if by so doing entire immunity from breakdown wassecured. So far the best means of limiting tfmperature in asimple way appears to be found in the addition of cooled ex-haust gases to the charge before compression; and this method,although reducing flame temperature, has actually increasedthe efficiency instead of diminishing it.—Mr. Dugald Clerk,British Association for Advancement of Science.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering