9SN'

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.