Chapter II

LECTURE
DELIVERED ON THE 5TH NOVEMBER, 1868:
BEING THE FIRST OR INAUGURAL LECTURE
OF THE
FREE LECTURES,
AT THE CRYSTAL PALACE, SYDENHAM,
ON
CHIMERAS OF SCIENCE:
ASTROLOGY, ALCHEMY,
SQUARING THE CIRCLE,
PERPETUUM MOBILE,
ETC.

With Illustrative Diagrams.

AND RE-DELIVERED AT THE
BIRKBECK LITERARY AND SCIENTIFIC INSTITUTION,
17TH FEBRUARY, 1869.

"A little knowledge is a dangerous thing,
Drink deep, or taste not the Pierian spring;
There shallow draughts intoxicate the brain,
But drinking largely sobers us again."--POPE.