Public [act] 788-875, 76th Congress. Explosives. H. R. 7357, act to amend sec. 4472. Revised statutes (U. S. C., 1934 edition, title 46, sec. 465), to provide for safe carriage of explosives or other dangerous or semidangerous articles or substances on board vessels, to make more effective provisions of international convention for safety of life at sea, 1929, relating to carriage of dangerous goods, and for other purposes.