THE

MAGAZINE OF POPULAR SCIENCE,

AND

JOURNAL OF THE USEFUL ARTS.

THE

MAGAZINE

OF

123

POPULAR SCIENCE,

AND

JOURNAL OF THE USEFUL ARTS.

VOLUME THE SECOND.

LONDON:

JOHN W. PARKER, WEST STRAND.

M DCCCXXXVI,

THE NEW YORK PUBLIC LIBRARY

ASTOR, LENOX

TILDEN FOUNDATION