In " Battlezone ", the player looked through a window that was shaped like a tank periscope.
2.
It was produced as the Vickers Tank Periscope MK . IV ( pictured ), and built into all British tanks ( Crusader, Churchill, Valentine, Cromwell ).
3.
The 7TP was fitted with the 360-degree tank periscope which was of Polish design and was first used in the USSR ( including the T-34 and T-70 ).
4.
Churchills made use of the Vickers Tank Periscope MK . IV . In the Mark VII, the driver had two periscopes as well as a vision port in the hull front that could be opened.
5.
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.
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