WW2 mortars. Good piccies of German armour on the wall behind
WW2 rifles and MG's - again a good pic of a Char B in German service in Russia  behind
Russian small arms - rifles, MG's
LMg's
Early mortar
Katyusha  -  truck mounted, not that sophisticated! Rocket in the foreground
..and several rockets close up!
and from the rear
7 Barrel nebelwerfer
and from the rear view
The katyusha truck from the front.