the P B-l and the PB-II; and one 40-ton floating crane. This twin-screw, diesel-electric trailing...
3
the P B-l and the PB-II; and one 40-ton floating crane. This twin-screw, diesel-electric trailing suction hopper ... The gantry wire ... a 440 volts, a.c. 60 c/s, 8 h.p. after winch
