Scientific American Supplement No. 819, September 12, 1891

"Scientific American Supplement No. 819, September 12, 1891" by Various is a window into the scientific world of the late 19th century, presenting articles on subjects ranging from the stars to veterinary science. It showcases the era's fascination with advancements in diverse fields, revealing discoveries and technological progress. Central to the publication is the detailed exploration of producing hydrogen and oxygen through water electrolysis, explaining advancements that made gas storage safer and revealing scientists' experimentation to make gas production more affordable, therefore impacting medicine and aerostation significantly.