THE

CABINET CYCLOPÆDIA.

CONDUCTED BY THE

REV. DIONYSIUS LARDNER, LL. D. F. R. S. L. & E.
M. R. I. A. F. R. A. S. F. L. S. F. Z. S. Hon. F. C. P. S. &c. &c.

ASSISTED BY

EMINENT LITERARY AND SCIENTIFIC MEN.

USEFUL ARTS.

A

TREATISE

ON THE

ORIGIN, PROGRESSIVE IMPROVEMENT, AND PRESENT STATE

OF THE

SILK MANUFACTURE.

George R. Porter

Philadelphia :

CAREY & LEA-CHESTNUT STREET.

TREATISE

ON THE

ORIGIN, PROGRESSIVE IMPROVEMENT,

AND

PRESENT STATE

OF THE

SILK MANUFACTURE.

G.R.. Porter

Philadelphia:

CAREY & LEA-CHESTNUT STREET.