Part IV "Izgotovlenie vo Vremya Voiny Distantsionnyya Trubki i Vzryvateli. Razvitie na Front' Moshchi Artilleriiskago i Pulemetnago Ognya. Pozitsionnaya Voina i Sredstva Transheinoi Borb'y" [Wartime Manufacture of Time Fuses and Explosive Devices, Development of Front Line Artillery and Machine Gun Fire Power and Use of Heavy Artillery and Ammunition in Trench Warfare] Pages 467-606 of the report including a foreward and contents list, references and sections on use of fuses, development of front line artillery and weapons used in trench warfare, and comparative analysis of First World War combatant nations' fire power. 1933