Scientific American Supplement, No. 455, September 20, 1884

“Scientific American Supplement, No. 455, September 20, 1884” by Various is a collection of late 19th-century scientific writings that opens a window into the era's discoveries across diverse fields. Readers explore articles stretching from the depths of the earth, with temperature studies in deep mines, to the subtleties of chemistry, like the properties of gallisin in starch sugar, and the cutting-edge uses of electricity for seismic study. The supplement promises a wide-ranging investigation into the scientific landscape through an initial index, followed by unique discussions of the giraffe's biology and the novel use of petroleum in locomotive engines, which all emphasize the time's commitment to exploring both the natural world and technological innovations. This compilation illuminates science and technology's historical development through detailed examinations and invites exploration into the theories and practices that shaped scientific understanding in that period.