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Popular Science Monthly
��513
���Decoys for Zeppelins
��In order to deceive bomb-dropping Zeppelins, the English are building "stage" factories (mere painted scenes) which are illuminated at night
�� �
Popular Science Monthly
��513
���Decoys for Zeppelins
��In order to deceive bomb-dropping Zeppelins, the English are building "stage" factories (mere painted scenes) which are illuminated at night
�� �