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

Published on September 20, 1884, 'Scientific American Supplement, No. 455' is a collection of articles from various authors covering a range of scientific disciplines, including chemistry, engineering, and medicine. Notable topics include the temperature of the earth from deep mines, the properties of gallisin, and the use of electricity in seismic studies. This issue also features discussions on the hunting characteristics of giraffes and innovative petroleum applications in locomotives, reflecting the scientific advancements of the late 19th century.