To cut down batter of ends of rails in heavy traffic track, Pennsylvania Railroad employs machine which, operating automatically, carries out fully controlled heat treatment of rail ends; with machine, entire end hardening process, including heating and quenching, is regulated within close limits, as result of which uniformity is secured, and possibility of inferior work, due to failure of human element, is eliminated; machine's construction and operation described.
Hardening of rail ends on Pennsylvania railroad
Can Transportation
1940
2 pages
Article (Journal)
English
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