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Scientific American Supplement, No. 795, March 28, 1891 - Audiolibro Gratis
Idioma: English
Autor(es): Various,
Género(s): Ciencia, Astronomía, física y mecánica, Ciencias de la vida,
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[1/20] The New Labor Exchange At Paris
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The Scientific American may be the oldest continuously published periodical in the United States, having 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 The Business End of the American Newspaper, Chicago as a Seaport, Alternate Current Condensers, Gaseous Illuminants. and much more. - Summary by Larry Wilson