English
Amazing Stories, volume 5, number 3 (June 1930). Scanned copy of a pulp magazine published by Experimenter Publications, Inc. and edited by Thomas O'Conor Sloane, Ph.D. Periodical copyright not renewed. Individual contributions' copyrights not renewed. This magazine and its contents are now in the public domain. Featuring: The Non-Gravitational Vortex (A. Hyatt Verrill), Element 87 (Ralph Linn), Piracy Preferred (John W. Campbell, Jr.), and The Universe Wreckers (Edmond Hamilton; 2/3).
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