Papers concerning factories and the Ministry of Munitions, 1915-1916, (fols. 1-105) papers concerning the establishment of Gretna Munitions Factory, 1915-1916, including discussion of labour; (fols. 106-158) 'Explosives', printed reports, 1915-1917, concerning explosions in Munitions factories, and the Silvertown explosion; (fols. 159-187) on the filling and supply of high explosive shells with a mixture of trotyl and ammonium nitrate, 1915, and (fols. 188-404) on central purchase, national shell factories, Boards of Management, and labour at Ebbw Vale National Factory, 1916-1917, with (fols. 239-404) 'Control of profit, Munitions Levy', on the administration of controlled establishments.