. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . vent the spread-ing of the rail sections when spiked downon the ties. Seventh: The section of the rail willallow the vibration to be partly released,reducing the crystallization to a minimum,this is what has reduced the life of thepresent rail to be dangerous. Eighth : The rail will be spiked downto the tie in the same way as the presentrail. Ninth: The present rail used is toolight, and the sectional shape is not of abalanced construction, and being secureddirectly to the ties, the crystalli
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . vent the spread-ing of the rail sections when spiked downon the ties. Seventh: The section of the rail willallow the vibration to be partly released,reducing the crystallization to a minimum,this is what has reduced the life of thepresent rail to be dangerous. Eighth : The rail will be spiked downto the tie in the same way as the presentrail. Ninth: The present rail used is toolight, and the sectional shape is not of abalanced construction, and being secureddirectly to the ties, the crystallization willhe more rapid, so that when the limit isreached the breakage will occur, and thiswill take place in extra cold weatherwhen contraction will be at its greatestpoint. It needs no further explanation in or-der that the reader should see that theplan of securing the rail by fish plates asnow used will not only be made simplerby the safety first rail system proposed,for the rail will not only be made strong-er, but the vibration producing crystalli-zation (which is the direct cause of break-. SAFETY FIRST RAILROAD RAIL. rills made less in depth and with the ribsor lugs on each side; these will take theplace of flat plates which are now used. age), will be reducedcent, by the balanceddouble-webbed rail. /^AA/^U to its lowest perconstruction of a April, 1916. RAILWAY AND LOCOMOTIVE ENGINEERING. 119 Advantages of the Brick Arch in Modern Locomotives Details of Its Construction, Application and Repairs The advantages of the brick arch in thefireboxes of the modern hiuh-poweredlocomotives are so well known and souniversally admitted that it would almostseem idle at first glance to make morethan a mere passing reference to thegrowth of its application as sufficientproof of its recognized efficiency andgreat and growing popularity. In thislatter regard it may be briefly stated thatamong the 70,000 locomotives in service inthe United States almost one-half arenow equipped with br
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