. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . essper unit of length. In other words, when pipe fittings. The Gold people simply usea right angle bend and their steamhosehangs straight down from the horizontalpipe in the most easy and natural lure are two marked advantages whichare obtained in this way. There is nokinking of the hose, for it hangs as naturewould hang it, that is, according to thecatenary curve, and this method bringsthe couplings easily and tightly together,and facilitates the operation of uncoupling,a- tin car insp
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . essper unit of length. In other words, when pipe fittings. The Gold people simply usea right angle bend and their steamhosehangs straight down from the horizontalpipe in the most easy and natural lure are two marked advantages whichare obtained in this way. There is nokinking of the hose, for it hangs as naturewould hang it, that is, according to thecatenary curve, and this method bringsthe couplings easily and tightly together,and facilitates the operation of uncoupling,a- tin car inspector has not to break thejoint over his knee or otherwise force itapart. The new way brings the couplingsin contact so that they are able to makethe tightest, because the most natural,joint, and they are easily uncoupled by theact of lifting them up. The new mode ofsuspension is easy on the hose, good forthe coupling and most satisfactory for thecar inspector, and that is a good workingcombination and spells economy. Before leaving the subject of the cate-nary curve, which is so excellently shown. GOLDS METHOD OF ATTACHING STEAM HEAT HOSE. the chain is the same size from end toend. The suspension cables of the Brook-lyn bridge are examples of what a veryflat catenary curve looks like. Coming nearer home and in the railroadfield, there is another excellent exampleof a catenary curve, and that is formedby the way the Gold Car Heating & Light-ing Company, of New York, suspend theirnew protected steam heat hose of whichwe gave a description in our March issue,page 129. The good results which theyget are easily accomplished. The ordinaryway of suspending all kind of hose be-tween cars is to attach them to 45-deg. in our illustration by the hose, we mayrefer to the locomotive headlight which,as most of our readers know, is a para-bola with the light in the focus of that re-markable curve. It is interesting to knowthat the catenary curve could be derivedfrom the parabola even if ther
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