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Can This Be Done?
Joseph A. Steinmetz of Philadelphia would mine the air above London against Zeppelins as the Dardanelles are mined against battleships He would send aloft captive hydrogen balloons carrying explosives, grappling-hooks and torches. It would be hard for the balloons to maintain their level. The wind would toss them about. What is more, a Zeppelin's machine gun could pick them off and drop them into London itself with dreadful results
