This photo of is believed to be the third A7V-Flakpanzer self-propelled anti-aircraft battery prototype.
Captured Russian 76.2 mm (3 in) Model 1902 guns were mounted on the A7V chassis with a new trunnion and elevation assembly to enable the gun to fire at enemy aircraft.
1918 trials of the A7V Flakpanzer anti aircraft tank
Three A7V tank chassis were used to build Flakpanzers motorised anti aircraft battery prototypes
Side view of the A7V-Schützengrabenbagger LMG trench digger
A7V-Schützengrabenbagger trench cutter
A7V-Schutzengrabenbagger model kit
marble track - YouTube