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REPERTOR Y

PATENT INVENTIONS,

AND OTHER

Discoveries and Improvements

IN

ARTS, MANUFACTURES,

AND

AGRICULTURE;

BEING A CONTINUATION, ON AN ENLARGED PLAN,

OF THE

Repertory of Arts and Manufactures :

A WORK ORIGINALLY UNDERTAKEN IN THE YEAR 1794, AND STILL CARRIED ON WITH
A VIEW TO COLLECT, RECORD, AND BRING INTO PUBLIC NOTICE, THE

USEFUL INVENTIONS OF ALL NATIONS.

ENLARGED SERIES-VOL. IV.

July-December, 1844.

LONDON:
PUBLISHED FOR THE PROPRIETOR,
BY ALEX. MACINTOSH, GREAT NEW STREET;
AND SOLD BY SIMPKIN, MARSHALL, AND CO., STATIONERS'
HALL COURT; J. WEALE, HIGH HOLBORN: AND

G. HEBERT, CHEAPSIDE.

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PLATE I. Lund's Patent for Improvements in the Construction

of Compensating Balances of Chronometers.—Warlich's Patent for Improvements in the Manufacture of Fuel.

Roose's Patent for Improvements in Fire-arms, &c.
Plate II. Palmer's Patent for Improvements in the Manufac-

ture of Pills, &c.—Mordaunt's Patent for Improvements in
Apparatus for obtaining Profiles. -Hancock's Patent for
Improvements in the Manufacture of Caoutchouc, &c.-
Hay's Patent for Improvements in Producing Light by

Percussion, for Signals, &c. ·
PLATE III. Bush's Patent for Improvements in rendering

Magnetic Needles less prejudicially influenced by local
Attraction.-Brook's Patent for Certain Improvements in
Machinery for Spinning Cotton, &c.—Bishop's Patent for

Improvements in Paving Roads, &c.
PLATE IV. Lamb's Patent for a Certain Improvement or

Improvements in Machinery used for Preparing and
Spinning Cotton, &c.—Boydell's Patent for Improvements
in the Manufacture of Metallic Roofs, &c.—Ainslie's
Patent for a New and Improved Mode of Making or

Moulding Tiles, &c.
PLATE V. Kibble's Patent for Improvements in Apparatus

for Propelling Vessels.—Garrett's Patent for Improvements

in Machinery for Drilling, &c. PLATE VI. Champion and Marsden's Patent for Improve

ments in Drawing, Winding, and Spinning Cotton, &c.Mylne's Patent for Improvements in the Construction of

Watches.
Plate VII. Robinson's Patent for Certain Improvements in

the Construction and Mode of Working Engines by the
Agency of Air or Gases for Obtaining or Producing
Motive Power.—Hale's Patent for Improvements in
Rockets.—Buret and David's Patent for Improvements in

the Manufacture of Gas. PLATE VIII. Masterman's Patent for a Certain Method or

Mechanism for the Speedy Cooling of Liquids, being within Certain Degrees of Temperature, and which Method or Mechanism is termed a Refrigerator.—Hinks, Wells, and Finnemore's Patent for Improvements in the Manufacture of Metallic Pens, and in Machines for Manufacturing Metallic Pens.-Shepherd's Patent for an Improved Fourport Slide Valve, and an Improved Controller for Reversing Steam-engines, and for Working the Steam expansively in

the cylinder. PLATE IX. Wollaston's Patent for Improvements in Machinery

for Cutting Marble and Stone.—Vaile's Patent for Improvements in Manufacturing Metal combined with other Matters

for the Covering of Floors and other Surfaces. . PLATE X. Newall's Patent for Certain Improvements in Wire

ropes, and in Machinery for Making such Ropes. PLATE XI. Ransome, May, Biddell, and Worby's Patent for

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