. The Street railway journal . in switches, frogs, mates, etc. In thetongue switch shown, the switch tongue was extremely long,extending into the tangent. Another interesting portion of theexhibit was that devoted to steam and street railway crossings. Thestandard Pennsylvania steam and street railway crossing and aspecially heavy crossing of this kind made of solid steel wereshown. In the latter the straight pieces forming the steam railroadrails were first rolled and then the cross pieces electrically weldedon. The characteristic of the Pennsylvania standard crossing shownwas in its extreme
. The Street railway journal . in switches, frogs, mates, etc. In thetongue switch shown, the switch tongue was extremely long,extending into the tangent. Another interesting portion of theexhibit was that devoted to steam and street railway crossings. Thestandard Pennsylvania steam and street railway crossing and aspecially heavy crossing of this kind made of solid steel wereshown. In the latter the straight pieces forming the steam railroadrails were first rolled and then the cross pieces electrically weldedon. The characteristic of the Pennsylvania standard crossing shownwas in its extreme strength. The interior angles were very heavyforgings. Another department of the exhibit contained the com-panys latest method of avoiding a combination of joints. When asix and nine inch rail have to be joined, a short section of theshorter rail is electrically welded to the deeper rail. An ordinaryjoint can then be made between the short piece of shallow rail andthe rest of the rail of the same height. Samples were shown of.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
