. American engineer and railroad journal . ler was standing still, with no emission ofsteam whatever, the circulation through the pil>e, which was tween Picton and Mittagong, on the Southern line, and themaximum performance during the trial consisted in hauling atrain weighing l.)ti tons(in addition to the weight of the engineand tender) up a long graile of 1 in 40 at a speed of milesan hour. A trial of one of tin- English engines made onthe Sutherland bank, lllawarra line, where a train ) tons (in adililion to the weight of the engine and tender)was haulrd up a grade
. American engineer and railroad journal . ler was standing still, with no emission ofsteam whatever, the circulation through the pil>e, which was tween Picton and Mittagong, on the Southern line, and themaximum performance during the trial consisted in hauling atrain weighing l.)ti tons(in addition to the weight of the engineand tender) up a long graile of 1 in 40 at a speed of milesan hour. A trial of one of tin- English engines made onthe Sutherland bank, lllawarra line, where a train ) tons (in adililion to the weight of the engine and tender)was haulrd up a grade of 1 in -l- ;it a speed of •JOuiilcsaii ordinarv load of these engines over the southern lines wasl(i.) tuns, anil the sjjeed attained daily on the 1 in 41) grade 22imiles an hour, and on the 1 in ;il) grade the spceil fell to 18indles an hour. The were also making an enor-mous improvement in the s;ifety of working heavy goods trainsby fitting them with the new \Vestiughouse automatic quick-acting freight liLILT BY ED\V.\UD C. WHITE visible by means of a glass, was very sluggish ; but the mo-ment a valve was opened allowing the escape of steam, -whetherit was a blowtr in the slack or through the safety-valves, therapidity of the circidation very markedly, until itW!us so rapid that the eye coulil merely see that the water wasrushing through the glass with great velocity. It is said onthe Boston & Albany road, where this device has been in usefor some time, that it is giving satisfaction. ENGLISH AND AMERICAN LOCOMOTIVES ONTHE NEW SOUTH WALES RAILWAYS. TiiK followiug extract from an address delivered at the re-cent annual meeting, by Warren, the retiring Presi-dent of the Koyal Society of New South Wales, the leadingscientific iussoeiation in Australasia, has been sent to us by acorrespondent in that fvir-olT country. We know nothing ofthe circumstances under which the trials of locomotives weremade
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
