redarmyscreaming:7TP was the Polish development of the British Vickers 6-ton Mark E tank licence. Co
redarmyscreaming:7TP was the Polish development of the British Vickers 6-ton Mark E tank licence. Comparing to Vickers, the main new features of 7TP were: a better, more reliable and powerful diesel engine, a 37 mm anti-tank gun, thicker armour (17 mm instead of 13 mm on the front), modified ventilation, the Gundlach tank periscope, and a radio. -- source link