The 75mm wz.36 St AA gun was Polish design*
of Starachowice works (hence "St").*
Only 52 guns were produced from 1937 for the Polish*
Army before the war.*
Barrel length was L/50.*
*
There were two wariants: wz.36 gun, with four-wheel*
cross carriage, and a semi-stationary variant*
wz.37 with two-wheel Y-shaped carriage*

*
The 75 mm AA gun was a modern weapon, and could be*
used also for fighting against tanks. They were used*
in AA artillery units, mostly in Warsaw defence. *
A prime mover was C4P halftrack.*
*
_____________[description by PIBWL]*