ablished by W Kent & Co (late David Bogue) Fleet Street & Paternoster Row.

THE

YEAR-BOOK OF FACTS

IN

Science and Art: 1857

EXHIBITING

THE MOST IMPORTANT DISCOVERIES AND IMPROVEMENTS OF THE PAST YEAR;

IN MECHANICS AND THE USEFUL ARTS; NATURAL PHILOSOPHY; ELECTRICITY; CHEMISTRY; ZOOLOGY AND BOTANY; GEOLOGY AND MINERALOGY; METEOROLOGY AND ASTRONOMY.

BY JOHN TIMBS, F.S.A.

AUTHOR OF

"THINGS NOT GENERALLY KNOWN FAMILIARLY EXPLAINED,"
CURIOSITIES OF LONDON," ETC.

"Science is not on the decline; and its cultivators have not been negligent in their high calling."-Address of the Rev. Dr. Lloyd, President of the British Association, at Dublin, 1857.

W. KENT & CO., (LATE D. BOGUE,) 86, FLEET STREET.

M DCCC LVIII.

TOR LIBRAR