Engraved by W.H.Mote, from a Photograph taken by the London Stereoscaple Comparry. (Copyright Landustakin

SIP SAMUEL W. BAKER, M. A F.R.G S

Discoverer of the Purces of the Niid:

London Lockwood & C 7. Stationers' Hall Court 1868.

THE MOST IMPORTANT DISCOVERIES AND IMPROVEMENTS
OF THE PAST YEAR

IN MECHANICS AND THE USEFUL ARTS; NATURAL PHILOSOPHY;
ELECTRICITY; CHEMISTRY; ZOOLOGY AND

AND MINERALOGY;

BOTANY; GEOLOGY

METEOROLOGY AND ASTRONOMY.

BY JOHN TIMBS, F.S.A.

AUTHOR OF "CURIOSITIES OF SCIENCE," "THINGS NOT GENERALLY KNOWN," ETC.

"What do we see every day? This is an age of progression. In every relation
of life the discoveries of science are becoming more and more necessary."-His Grace
the DUKE of BUCCLEUCH, D.C.L., President of the British Association, 1867.

The Royal Albert Hall of Arts and Sciences.-(See p. 11.)

LOCKWOOD & CO.,,

STOR

LONDON:

STATIONERS HALL COURT.

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