Files of the Department of Munitions Supply concerning explosives production and supply of raw materials, 1915-1917, (fols. 1-136) 'TNT and other materials', papers concerning the production and supply of explosives, 1915-1917, with (fols. 139-371) papers on the supply and production of raw materials, 1915-1917, including dye manufacture, spelter, wolfram, tungsten and other metals, the Imperial trade policy, and (fols. 298-371) discussions with R. Tilden Smith on the production and supply of base metals and spelter in Britain, Jan.-Apr. 1917.