. American engineer and railroad journal . its volumeof air is packed into one end of a 3-inch cylinder before the desiredpressure is attained. Of course,the air parses through iner-coolersbetween each two stages of com-pression, and it is also cooled imme-diately after leaving the lastve. cylinder. This compressor will de- liver the air at a pressure of per square inch into a large nest of Mannesman tubes,similar to those on the locomotive. Tnere are to be 144 tubesall nine inches in diameter, most of them 15 feet 6 inches long,and a few of them 21 feet 3 inches long. The air is t
. American engineer and railroad journal . its volumeof air is packed into one end of a 3-inch cylinder before the desiredpressure is attained. Of course,the air parses through iner-coolersbetween each two stages of com-pression, and it is also cooled imme-diately after leaving the lastve. cylinder. This compressor will de- liver the air at a pressure of per square inch into a large nest of Mannesman tubes,similar to those on the locomotive. Tnere are to be 144 tubesall nine inches in diameter, most of them 15 feet 6 inches long,and a few of them 21 feet 3 inches long. The air is thus stored ata pressure 500 pounds in excess of the storage pressure on thelocomotive, so that when the latter is charged the storage volumeand pressure are sufficient without drawing directly upon thecompressor. One cannot but be impressed with the thoroughness with whichthe plans have been worked out and the preparations made for anextensive trial of this system of traction, and the performance ofthe plant will be awaited with The Hardie Compressed Air Locomotive. 94 AMERICAN ENGINEER, CAR BUILDER (Established 1832.) xMERIC&Ar p - * A si Ssiaiiaaalil Car Builder--PvAIL^oad Journal PUBLISHED MONTHLY BT R. M. AKSDiLE,MORSE BUILDING NEW MARCH, 1897 Subscription.—$ a year J or the United States and Canada ; ayear to Foreign Countries embraceet in the VnirersalPostal Union. EDITORIAL ANNOUNCEMENTS. Advertisements.—Nothing will be inserter! in this journal forpay, except ix the advertising pages. The reading pages willcontain only such matter as we consider of interest to ourreaders. Special Notice.— .Is the American Engineer, Car Ruilderand Railroad Journal is printeel and ready for mailing onthe last day of the month, correspondence, advertisements, etc.,intended for insertion must be received not later than the25thday of each month. Contributions.—Articles relating to railway rolling stock con-struction and management and kindred topics, by tho
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
