ANNUAL 



OF 



SCIENTIFIC DISCOVERY: 



O R 



YEAR-BOOK OF FACTS IN SCIENCE AND ART 



IF OH 1858. 



EXHIBITING THE 



HOST IMPORTANT DISCOVERIES AND IMPROVEMENTS 



I N 



MECHANICS, USEFUL ARTS, NATURAL PHILOSOPHY, CHEMISTRY, 



ASTRONOMY, GEOLOGY, ZOOLOGY, BOTANY, MINERALOGY, 



METEOROLOGY, GEOGRAPHY, ANTIQUITIES, ETC. 



TOGETHER WITH 



A LIST OF RECENT SCIENTIFIC PUBLICATIONS ; A CLASSIFIED LIST OF 



PATENTS ; OBITUARIES OF EMINENT SCIENTIFIC MEN; NOTES ON 



THE PROGRESS OF SCIENCE DURING THE YEAR 1857, ETC. 



EDITED BY 



DAVID A. ELLS, A.M. 



BOSTON: 



QOULD AND LINCOLN, 



59 WASHINGTON STREET. 



NEW YORK: SHELDON, BLAKEMAN & CO. 



CINCINNATI : GEORGE S. BLANCHARD. 



LONDON: TRU3NER & CO. 



1859. 



