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56 pages. Features: Dr. John D. Strong; The Appalachian Trail; Detailed drawing of a newly designed lightship which will replace the ill-fated Nantucket; Surprising discoveries in the near east show that iron, glass, the arch, and bathrooms were in use far earlier than formerly supposed; Telepathy and Clairvoyance in a Trance Medium - an intensive series of tests conducted with a medium (Mrs. Eileen J. Garrett) and her spirit control showed the spirit to be no better as a telepathist than the medium; How bright is a lightning bug?; Various types of photographic exposure meters; Planets much larger than Jupiter are impossible; Copper and copper alloys are resisting corrosion; Back on the Land - The Subsistence Homestead movement is slowly reversing the urbanization trend - an experiment at Reedsville, West Virginia - article with photos; All-Wave Reception; Power from the Boulder Dam - two-pages of exceptional photos; Disordered glands can produce giants and dwarfs, fanatics and loafers; Rotating Wing Aircraft (helicopters) - intriguing possibilities; The Amateur Astronomer; photo of salvage bathysphere; Progress in Science - by Kermit Roosevelt; and more. Above-average external wear. Front cover nearly detached. Tape along backstrip. Not pretty but an informative vintage issue. Magazine
pp. viii, 528. Illustrated with numerous photographs. XLib. Folio. Original full blue cloth binding, worn and spotted. Hardbound. SPACE/2