OF

SCIENTIFIC DISCOVERY:

OR,

YEAR-BOOK OF FACTS IN SCIENCE AND ART,

FOR

1871,

EXHIBITING THE

MOST IMPORTANT DISCOVERIES AND IMPROVEMENTS

IN

MECHANICS, USEFUL ARTS, NATURAL PHILOSOPHY, CHEMISTRY,
ASTRONOMY, GEOLOGY, BIOLOGY, BOTANY, MINERALOGY,
METEOROLOGY, GEOGRAPHY, ANTIQUITIES, ETC.,

TOGETHER WITH

NOTES ON THE PROGRESS OF SCIENCE DURING THE YEAR 1870; A LIST
OF RECENT SCIENTIFIC PUBLICATIONS; OBITUARIES OF
EMINENT SCIENTIFIC MEN, ETC.

J