THE

LONDON JOURNAL

OF

Arts and Sciences;

AND

R EP E R T 0 R Y.

OF

PATENT INVENTIONS.

CONDUCTED BY

Mr. W. NEWTON,

OF THE OFFICE FOR PATENTS, CHANCERY LANE.

( Assisted by several Scientific Gentlemen.)

VOL. XIX.

(CONJOINED SERI E S.)

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.

R. FOLKARD, PRINTER, DEVONSHIRE STREET,

QUEEN SQUARE.

LIST OF PLATES IN VOL. XIX.

[CONJOINED series.] 1. Rostron's Improved Loom. II. Turner's Improvements in Steam Engines ; Hale's Im.

proved Furnace; Keele's Improved Valve ; Pidding's

Horse Collars ; and Milner's Fire-proof Safe. III. Davies' Disc Engine for Producing Mechanical Power. IV. Lockett's Improvements in Engraving Cylinders, and

Mabley's Improved Method of Producing, Printing, and

Embossing Surfaces.
V. Atkinson's Thrashing Machine, and Roberts' Improved

Fire Escape.
VI. Leese's Improvements in Dyeing ; Harvey's Furnace for

Extracting Sulphur from the Ore; Palmer's Improved
Plough ; Hancock's Improved Method of Constructing
Railway Turn-Tables; and Loach's Improvements in

Castors for Furniture.
VII. Davies' Improved Disc Engine, and Williams' Improve-

ments in Rotary Steam Engines. VIII. Fourdrinier's Improved Steam Engine and Propelling

Apparatus ; Gilbert's Improvements in Producing Motive Power ; Lawes' Feather-dressing Apparatus ; and

Potter's Improvements in Calico Printing. IX. Young and Delcambre's Apparatus for Setting-up Types. X. Gaubert's Improved Apparatus for Distributing Letter

press Printing Types; Jefferies' Smelting Furnace ;

and Newton's Sculpturing Apparatus. XI. Hanson's Improvements in Gas and Liquor Meters;

Miller's Improved Furnace Grates ; and Berry's Improvements in Propelling.