For past 4 yr Pennsylvania Railroad has been employing 2- and 3-flame gas torches extensively with aim of speeding up work and of minimizing penetration of weld heat into rail heads; article discusses use made of these types of torches, and so far as possible from records available, points out results being attained.
Building-up rail ends with multiple-flame torches
Ry Eng Maintenance
Railway Engineering and Maintenance ; 34 , n 8
1938
Article (Journal)
English
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Building-up rail ends with multiple-flame torches
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