& Signal Company at Swissvale for the production of aircraft motors during the war. Each separate floor in the buildings has been arranged to form a complete production unit. As the production reaches the maximum of existing units, an additional unit is thrown into operation. As soon as the present manufacturing facilities are fully utilized, an additional plant will be constructed on ground adjacent to the plant which is being held vacant ‘or that purpose. A procession of finished batteries Westinghouse Union Battery Company The capacity of each production unit is limited only by the number of batteries that can pass over the finishing table, a photograph of which is shown herewith. A rigid system of inspection insures that each battery will be