Abstract: Apparatus for welding a stiffening member or the like to a plate in which a box is provided having an opening in one wall thereof through which the stiffening plate enters the box. A plurality of guides are mounted to the box for holding welding rods in proximity to the place where the stiffener is to be welded to the plate. A suction source is attached to the box for removing gases, fumes and other like materials produced during the welding operation and the box is positioned relative to the plate and the stiffener.

Abstract: Apparatus for the application, positioning and adjustment of sections in the assembly of panels or the like, comprising a horizontally movable, gantry like lifting device adapted to transfer the sections from a store to that place on the panel plate to which the individual sections are to be welded. A vertically movable yoke, attached to the supporting uprights of the gantry, extends substantially parallel with the girder of the gantry. A jig displaceable along the yoke comprises lifting magnets for retaining the panel plate and a jack device for pressing the section against the panel plate.