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Verlag: Munn and Company, Inc., USA, 1935
Magazin / Zeitschrift Erstausgabe
Paperback. Zustand: Good. First Edition. 112 pages. Features: Use of cemented carbides in industry; The miniature camera; Zeta Aurigae - a close double star; Canalization of the Upper Mississippi River; Archaeologist's notebook; Making your own photomicrographic camera; Rubber plant experiments; Excavations by CWA workers under the Tennessee Valley Authority bring to light the contents of 40 Indian villages and mounds; Preventing fires at sea; The versatile papaya; Is the growing death rate from heart disease and cancer real or only apparent?; Progress in this age of science; Interesting brief note and photo of what may be the first grease cartridges and grease gun; and more. Coverfold partly open. Average wear. Unmarked. A worthy vintage copy.
Verlag: Munn & Company, USA, 1935
Magazin / Zeitschrift Erstausgabe
Paperback. Zustand: Fair. First Edition. 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.