Spring repairs are facilitated and cost of tempering and resetting springs reduced by spring-tempering furnace of gas-burning type installed in shops of New York State Railways, Syracuse, N. Y.
Tempering and resetting springs
Elec. Ry. Jl
Electric Railway Journal ; 69 , n 13
1927
2 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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