Southwestern Engineering Co. In matter of Southwestern Engineering Co. and International Brotherhood of Boilermakers, Iron Ship Builders, Welders, and Helpers of America Local 92, A. F. L.; in matter of [same] and International Association of Machinists, Local 311 (A. F. L.), cases nos. R-1327 and R-1328, decided Aug. 1, 1939; amendment to direction of election, Aug. 15, 1939.