Service of the piece : 155-MM gun M2 : truck-drawn and tractor-drawn - USA War Department Field Manual, FM 6-90 Groene houten kist t.b.v. opslag van toebehoren voor 90 mm kanon, met zeildoekovertrek waarop: ''90 mm'' Houten, langwerpige kist voor twee patronen voor 90 mm kanon Service of the piece : 75-mm gun M 2 A 3, truck-drawn and horse-drawn - USA Field Artillery Field Manual, FM 6-56 Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Instruction for heavy artillery / prepared by a board of officers, for the use of the army of the United States Cannon Company, Intanfry Regiment. - USA Voorschrift Field Manual 7-37 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 … Firing Tables for Gun 155 mm. M1 and M1A1. Firing. Shell H.E. M101. Shell Chemical M104. - USA Voorschrift Firing Tables 155-S-2