Diagram, "Assembly View of Type SA Lifting Magnet"; circa 1920 gelatin silver print Merritt-Chapman & Scott Corporation circa 1920 2008.28.8.730 ViewMagnetic hoisting crane lifting cargo off steamship MANCHURIA sunk at Stapleton, Staten Island, New York, June 1917 gelatin silver print Merritt-Chapman & Scott Corporation 1917-06 2008.28.8.9 View
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Loading and unloading ViewMarine engineering ViewCranes, derricks, etc. (Floating) View
