Scientific American Supplement, No. 514, November 7, 1885

''Scientific American Supplement, No. 514, November 7, 1885'' is a scientific periodical featuring various authors from the late 19th century. This issue covers a wide range of topics, including chemistry, engineering, and technology, highlighting advancements of the era. Notable articles discuss the chemical composition of rainwater, innovations in concrete construction, and the analysis of Roman remains in Leicester. This publication serves as a valuable resource for understanding the scientific and technological developments of its time.