THE

BRITISH CYCLOPÆDIA.

6-18

THE

BRITISH CYCLOPÆDIA

OF THE

ARTS, SCIENCES, HISTORY, GEOGRAPHY,

LITERATURE,

NATURAL HISTORY, AND BIOGRAPHY;

COPIOUSLY

ILLUSTRATED BY ENGRAVINGS ON WOOD AND STEEL BY EMINENT ARTISTS.

EDITED

BY CHARLES F. PARTINGTON,

PROFESSOR OF MECHANICAL PHILOSOPHY, AUTHOR OF VARIOUS WORKS ON NATURAL AND EXPERIMENTAL PHILOSOPHY, ie.,
ASSISTED BY AUTHORS OF EMINENCE IN THE VARIOUS DEPARTMENTS OF SCIENCE,

COMPLETE IN TEN VOLUMES.

VOLUME II.

ARTS AND SCIENCES.

OPI TO ZYM.

LONDON:

WM. S. ORR AND CO., AMEN CORNER, PATERNOSTER ROW.

MDCCCXXXVIII.