ordnance memoranda Report of the Board of Officers appointed by special orders no. 108, A.G.O., May 31, 1873 on Gatling guns of large caliber for flank-defense Remarks on rifle guns / E. Baker Original photographs and other illustrations of hand guns / J.H. Mathews Materiel instruction memorandum : The Firing Battery 155mm Gun M1 Instruction for heavy artillery; prepared by a board of officers, for the use of the army of the United States with service of a gun … Gun drill for Q.F. 25-Pr., Mark II gun on carriage 25-Pr., Mark I Provisional machine-gun firing manual Drill regulations for machine-gun platoons Machine gun training Machine-gun drill regulations (provisional) 1917 / prepared and edited at the Army War College Identification list for ordnance, B.L. 5.5-inch, Mark III and ordnance, B.L. 4.5.-inch mark II on carriage, 5.5-inch or 4.5-inch gun, mark I Machine gun training (supplement)