How did this bomb function? How was it deployed? This was not a bomb that you could drop from an aircraft, you see. This early version of Typhoon was actually a very crude system. Essentially, it pumped a mixture of oxygen and coal dust into the interior spaces of buildings such as bunkers or tunnels. Our assault troops would force a gap into the structure, and then they released an oxygen-rich mixture into the inside. This mixture was released from steel canisters containing the oxygen and a pump which blew simple coal dust into the building. How could ordinary coal dust form part of a
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