Section 91, act June 16, 1938, ch. 458, 1, 52 Stat. 707, authorized Secretary of War to place educational orders for munitions of special or technical design. Section 92, act June 16, 1938, ch. 458, 2, 52 Stat. 708, related to production equipment. Section 93, act June 16, 1938, ch. 458, 3, 52 Stat. 708, placed certain limitations on number of orders. Section 94, acts June 16, 1938, ch. 458, 4, 52 Stat. 708; Apr. 3, 1939, ch. 35, 13, 53 Stat. 560, related to availability of appropriations for purposes of sections 91 to 94 of this title.