caption: Testing continues on Crane Ship No. 1's 250-ton revolving crane while she undergoes conversion at Philadelphia Navy Yard, 30 October 1922. The ship lifts a 312-ton load on the right and left main hoist with equalizer at 101-foot reach on an even keel. Jib fore and aft at an angle of 38°46``. (Naval History and Heritage Command Photograph NH 60251)
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