Department of Munitions Supply, Branch Memoranda, 1915-1921, (fols. 1-78) 'GHQ Reports etc./GHQ demands', papers concerning Army Headquarters requests including (fols. 1-4) report on gas attack, Dec. 1915, and (fols. 50-74) discussion of ammunition, 1915-1917; (fols. 79-351) papers concerning Ministry of Munitions financial expenditure and estimates, 1915-1918, (fols. 352-457) 'Propellants', correspondence and other papers with the Explosives Supply Department (Propellants Branch) including discussion of the ingredients necessary for explosives propellants and explosives factories, 1915-1921.