November 1919
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(New page: ''Gravitation and Light'' an editorial by Hugo Gernsback appears in Electrical Experimenter magazine. In the same issue is an article ''Interplanetary Communication'' by Dr. C.S. B...)
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Gravitation and Light an editorial by Hugo Gernsback appears in Electrical Experimenter magazine. In the same issue is an article Interplanetary Communication by Dr. C.S. Brainin