Loading
Scientific American Supplement, No. 795, March 28, 1891 - Sách nói Miễn phí
Ngôn ngữ: English
Tác giả: Various,
Thể loại: Khoa học, Thiên văn học, Vật lý & Cơ học, Khoa học đời sống,
Đang phát
[1/20] The New Labor Exchange At Paris
00:0000:00
Giới thiệu
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