He has brought technology to his aid, and with the help of his brother created a snowball machine gun capable of firing 13 snowballs at the unruly youths in half a second. Power for his creation ...
The silencer for the Sten gun was first developed in 1942, and was put into action in 1943. It meant that the gun could be used without alerting the enemy to small-arms fire in the vicinty.