OF THE OFFICE FOR PATEN

Mr. W, NEWTON,
OF THE OFFICE FOR PATEN

(Assisted by several Scientific Gentlemen.)

CHANCERY LANE.

VOL. XIX.

(CONJOINED SERIES.

LONDON :

PUBLISHED BY W. NEWTON, AT THE OFFICE FOR PATENTS, 66, CHANCERY

LANE, AND TOWN HALL BUILDINGS, MANCHESTER; SHERWOOD, GILBERT,
AND PIPER, PATERNOSTER ROW; SIMPKIN AND MARSHALL, STATIONERS'
COURT; AND GALIGNANI'S LIBRARY, RUE VIVIENNE, PARIS.

1842.