A Modern Titan Among the Derricks

���The great derrick "Hercules" lifting a steel mast into position on an unfinished battleship.

��The "Hercules" is one of the largest electrically-operated and revolving derricks in the world. In spite of its great mass it can be handled by one man. America is enjoying an unprecedented ship-building boom. There are now under contract to be completed in two years vessels to contain a million and a half tons of steel and five thousand tons of wood

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