On the waterfront - Cranes Today
2005-4-11u2002·u2002Indeed, the first real shipyard cranes developed in the late 19th Century showed typical tower crane design features. Moving on rail-going portals or on fixed basis, the top slewing saddle jib models were customer-built heavy cranes not showing today's widespread modular design, but representing lifting capacities from 6t to an impressive ...
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