YEAR-BOOK OF FACTS

IN

Science and Art:

EXHIBITING

THE MOST IMPORTANT DISCOVERIES & IMPROVEMENTS
OF THE PAST YEAR;

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

AND GEOGRAPHY; METEOROLOGY AND ASTRONOMY.

BY JOHN TIMBS,

EDITOR OF "THE ARCANA OF SCIENCE AND ART."

"Facts brought to light by practice are to general progress that which expe-
riments are to experimental philosophy."

SIR H. T. DELABECHE, C.B., F.R.S., F.G.S., &e.