THE

NATIONAL

ENCYCLOPÆDIA:

A DICTIONARY OF UNIVERSAL KNOWLEDGE.

BY WRITERS OF EMINENCE IN

LITERATURE, SCIENCE, AND ART.

LIBRARY EDITION.

VOL. VII.

LONDON:

WILLIAM MACKENZIE, 69 LUDGATE HILL, E.C.;

EDINBURGH, AND GLASGOW.

N

2 4 FEB 1971

LIST OF PLATES.-VOL. VII.

To be Bound at Commencement of Volume in Following Order.

GUNS.

VOL. VII.

FIG. 4.-DOUGALL'S LOCKFAST.