Workers assembling B-17 Flying Fortress bomber wings, Murray Corporation of America

View of workers assembling outer wing section for Boeing B-17 Flying Fortress bomber aircraft at the Murray Corporation of America. Label on back: "Murray Corporation of America, Aircraft Division, Detroit. Print #1564-3. B-17 Flying Fortress outer wing section final assy. B-17 outer wing section and wing tip meet on a split-second schedule at this final assembly on dollies traveling on a floor drag-line conveyor. Here the wing tip is fitted and minor sub-assemblies attached. From here, still on the conveyor line, the outer wing goes on to be painted and have Army Air Force insignia attached. 18,700 man-hours per month saving resulted from conveyorizing this operation, and now 135 workers perform tasks formerly requiring 215." Handwritten on back: "Aircraft--Bombers (Parts & assembly)."