THE LONDON

Journal of Arts and Sciences,

ສິ An Original Work. The Rogrefsive advancement of Practical Science

THE

LONDON JOURNAL

OF

Arts and Sciences;

'CONTAINING

REPORTS OF ALL NEW PATENTS,

WITH A

DESCRIPTION OF THEIR RESPECTIVE PRINCIPLES AND PROPERTIES :

ALSO,

Original Communications

ON SUBJECTS CONNECTED WITH

SCIENCE AND PHILOSOPHY;

PARTICULARLY SUCH AS EMBRACE THE MOST RECENT

INVENTIONS AND DISCOVERIES

IN

Practical Mechanics.

VOL. IV.

LONDON:

PUBLISHED BY SHERWOOD, NEELY, AND JONES, PATERNOSTER ROW;

AND W. NEWTON, CHANCERY LANE.

1822.