. Locomotive engineering : a practical journal of railway motive power and rolling stock . short marks outlining the camber inFig. 122, and the marks 2, 3, 4, 5, etc.,giving the length of the ordinates in Fig. 128, but the lengths can be secured in Fig. 129, between H G and where the short arcscut the similarly numbered ordinates. Dubuque, la. C. E. Fourness. i ^ © Automatic Air Brakes Without TripleValves. Editors : Every little while I am called upon toexamine an invention having for its ob-ject the construction of an air brake whichwill be automatic without using any triple valve. Few, if a
. Locomotive engineering : a practical journal of railway motive power and rolling stock . short marks outlining the camber inFig. 122, and the marks 2, 3, 4, 5, etc.,giving the length of the ordinates in Fig. 128, but the lengths can be secured in Fig. 129, between H G and where the short arcscut the similarly numbered ordinates. Dubuque, la. C. E. Fourness. i ^ © Automatic Air Brakes Without TripleValves. Editors : Every little while I am called upon toexamine an invention having for its ob-ject the construction of an air brake whichwill be automatic without using any triple valve. Few, if any, of the patentees seemto be aware that they are treading a path■which is already old and worn, and I thenhave the rather unpleasant task of showingthat the fundamental ideas of such an ap-paratus have been known almost since the. beginning of the existence of the oldstraight air brake. I confess that thethought of being able to make an automaticbrake without any triple valve is a veryattractive one, and such a brake has, with-out question, some advantages over thekind which use triple valves, but there areobjections to their use on long trains thatmake their introduction undesirable, if notimpracticable. My attention was first called to thisscheme by Mr. Sutton, formerly air brakeman at Boone, la., on the C. & N. W. Ry.,while in conversation with him as wewere sitting on the edge of the platform ofthe transfer station at Council Bluffs, aboutfive or six years ago. He illustrated hisideas with a rough sketch, and imme-diately I became very much interested, asI at the time, saw the advantages muchmore clearly than the disadvantages. Hisplan was to construct an experimentaldevice from a tender cylinder, putting astuffing box around the piston rod. Thetrain-pipe connection was made at one endof the cylinder, t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
