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Scientific American Supplement, No. 446, July 19, 1884 - Audiolibro Gratis
Idioma: English
Autor(es): Various,
Género(s): Astronomía, física y mecánica, Ciencias de la vida,
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The Scientific American may be the oldest continuously published periodical in the United States, havinge launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. In this supplement are short articles ranging through such topics as Pneumatic Malting, Improved Hay-Rope Machine, Automatic Fast Speed Telegraphy, and Tin in Canned Foods Our Servants, The Microbes - Summary by Larry Wilson