Department of Munitions Supply, Branch Memoranda, 1915-17, (fols. 1-49) 'Child's Guide to Fuses', by General Ducane, n.d.; (fols. 50-63) 'Development of optical and chemical glass industries', 1916-1917; (fols. 64-102) 'Machine Guns and Rifles', 1915-1916; (fols. 103-122) 'Small Arms Ammunition requirements', Nov. 1916, (fols. 123-271) 'Mechanical Transport' , including notes on tractors for Russia, licensing the motor trade, and Allied transport requirements, 1916-1917.