Considerable time is saved daily and labor of moving wheels and other heavy equipment is lightened at Denver shops of Denver and Salt Lake, by use of small dolly cars; 20-in. gage track traverses length of rip track upon which dolly cars run.
Small dolly cars save labor
Ry. Mech. Engr.
Railway Mechanical Engineer ; 102 , n 7
1928
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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