anale.

Knowledge for the People:

OR, THE PLAIN

WHY AND BECAUSE.

FAMILIARIZING SUBJECTS OF USEFUL CURIOSITY AND
AMUSING RESEARCH.

BY JOHN TIMBS,

Editor of Laconics: Arcaña of Science and Art,' &c.

"Its beginning is pleasure, its progress knowledge, and its objects truth
and utility."-Sir Humphry Davy.

Popular Chemistry-Mechanics-Arts and
Manufactures.

BOSTON:

LILLY & WAIT, AND CARTER & HENDEE.

NEW YORK, P. HILL; PHILADELPHIA, CAREY AND HART;
NEW ORLEANS, M. CARROL; PORTLAND, S. COLMAN.

رومار

*Eratum, at page 46, for "torpedo, or electric ecl," read "torpedo,