Regulations for Machine Guns officers and non-commissioned officers

Photographs of German Guns

German field artillery ammunition and its employment

The light "Minenwerfer" on flat Trajectory Carriage

Diagram showing the organisation & defense of a Divisional Sector (from a german document captured in April, 1917)

Experience of recent fighting at Verdun

The experiences of the german Ist Army in the Somme battle

German Anti-Aircraft Organization

The 1917 german long delay action fuze for demolition purpose (from german purpose)