THE

REPERTORY

OF

ARTS, MANUFACTURES,

AND

AGRICULTURE.

Consisting of

ORIGINAL COMMUNICATIONS,

SPECIFICATIONS OF PATENT INVENTIONS,

PRACTICAL AND INTERESTING PAPERS,

SELECTED FROM

THE PHILOSOPHICAL TRANSACTIONS AND

SCIENTIFIC JOURNALS OF ALL NATIONS.

MONTHLY INTELLIGENCE

RELATING TO

THE USEFUL ARTS,

PROCEEDINGS OF LEARNED SOCIETIES,

AND

NOTICES OF ALL PATENTS GRANTED FOR INVENTIONS.

VOLUME XXV. -SECOND SERIES.

London:

PRINTED FOR J. WYATT,

REPERTORY OFFICE, HATTON GARDEN.

CONTENTS

OF THE

TWENTY-FIFTH VOLUME, SECOND SERIES.

Page

Specifications of Patents.

Mr. HORROCK's for his further Improvement to a Machine for

weaving Cotton and other Goods by Hand, Steam, Water, or

other Power,

Mr. BUCHANAN's for certain Improvements in the Means of im-

pelling Vessels, Boats, Barges, and Rafts, which may he also

applied to the moving of Water-wheels and Wind-mills, the

raising of Water, the dredging, cleansing, or deepening of

Rivers and Harbours, and the impelling of other Machinery,

Mr. OSBORN's for making Tools for tapering Cylinders of dif-

ferent Descriptions made of Iron, Steel, Metal, or Mixture

of Metals; and also for tapering Bars of Iron, Steel, Metal, or

Mixture of Metals,

Mr. CAMPION'S for a new and improved Method of making and

manufacturing double Canvas and Sail Cloth with Hemp and

Flax, or either of them, without any Starch,

Mr. HANCOCK's for an Improvement in the Construction of

Carriages, and in the Application of a Material hitherto un-

used in the Construction thereof,

Messrs. KERSHAW and WOOD's for a Mode of preparing Flax for

the Purpose of being spun on the like Machinery as Cotton,

Mr. PARKER'S for an Improvement in the making or manufac-

turing of Green Paint,

Mr. HANBURY's for a Method of weaving Carpets, commonly

called Scotch or Kidderminster, by which a new and finer

Texture, and larger Patterns, can be produced than by any

other Method hitherto known,

a 2

Page

Mr. BUDDLE's for a Fire-pan or Fire-lamp, in which small or in-

ferior Coals may be consumed in the Place of large or round

Coals, and for other Purposes,

Mr. HEATON'S for Improvements to the Locks and Breeches of

Fire-arms, by rendering the Pans of Locks, and Communi-

cation between the Priming and Loading of Fire-arms, water-

proof,

129

131

Mr. HEARD's for certain new and improved Processes for the

Manufacture of Plate-glass,

134

Mr. ADAMS's for a new and improved Method of preparing

Blacking, whereby a higher Polish is given, &c.

135

Mr. RUTHVEN'S for a Machine, or Press, for printing from

Types, Blocks, or other Surfaces,

193

Mr. PRICE'S for several new Methods of making Glass,

201

Mr. WRIGHT'S for a Method of making a Composition or Mix-

ture for dying Scarlet and other Colours,

203

Mr. HOWARD's for Improvements in the Processes in his former

Patent for preparing and refining Sugar, and certain Appa-

ratus for carrying the same into effect,

257

Mr. VANDERKLEFT's for a Method of sweetening, purifying, and

refining Greenland, Whale, and Seal Oil,

270

Mr. GOODALL'S for manufacturing English Crapes from Silks

dyed and coloured,

272

Mr. LEWIS's for an Improvement in the Art of smelting Cop-

per,

321

Mr. SMART's for certain Improvements in Machinery for grind-

ing Corn and various other Articles,

323

Mr. HASLEWOOD's for folding Screens, adapted to impede the

Passage of Air, Smoke, Fire, and Light, applied to Fire-places,

Grates, Stoves, Windows, and Doors, which he denominates

"The improved folding Screen,"

Mr. CLERK's for preventing Smoke, Dust, and the Danger of

Fire, and for increasing and regulating Heat from Stoves and

Chimney Fire-places, for heating Rooms, Hails, Passages,

and Stair-cases, in public Buildings and dwelling Houses, and

all other Apartments where regulated Heat and Cleanliness

are desirable, without obstructing the View of the burning

Fuel,

324

325

Original

Original Communications.

-

Page

15

71

136

Of the Superiority of the newly-invented Street Lamps. Com-

municated by the Patentee, LORD COCHRANE,

Observations on Mr. HANCOCK's Patent for an Improvement in
the Construction of Carriages. Communicated by the Patentee, 67
Observations on Messrs. KERSHAW and WOOD's Patent for a Mode
of preparing Flax for the Purpose of being spun on the like
Machinery as Cotton. Communicated by the Patentee,
Account of an Invention for reducing the Expense of Carriage on
Railways and other similar Roads. Communicated by the
Authors,
Observations on Latent Heat in Steam. By Mr. J. C. HORN-
BLOWER. Communicated in a Letter to the Editors,
Remarks and Emendations on a Translation of a Paper on the
Art of making Glue. By M. Hermbstaedt, inserted in Page
175 of this Volume. By THOMAS GILL, Esq. St. James's-street,
one of the Chairmen of the Committee of Mechanics of the
Society for the Encouragement of Arts, Manufactures, and
Commerce. Communicated in a Letter to the Editors,
Papers selected from the Transactions of Philosophical Societies, &e.

-

Application of Larch Bark, to answer all the Purposes of Oak

Bark, in Tanning Leather. By T. WHITE, Esq.

On the Formation and Materials of Roads. By RICHARD LOVELL

EDGEWORTH, Esq. F. R. S. M. R. I. A. and Civil Engineer,

On a Mode of training Vines. By Mr. Jos. HAYWARD,

On the Construction of Roads. By RICHARD LOVELL EDGE-

WORTH, Esq. F. R. S. M. R. I. A. and Civil Engineer,

Temporary Rudder, for the Preservation of Ships from being

lost at Sea. By Captain JAMES PEAT,

On the proper Construction of Hotbed Frames. By THOMAS

ANDREW KNIGHT, Esq. F. R. S. &c.

Description of a Forcing House for Grapes; with Observations

on the best Method of constructing them for other Fruits.

-

--

140

204

23

30

38

76

90

114

116

On the best Method of constructing a Peach House. By the same, 146
Description of an Instrument for firing Cannon, by which a Num-
ber of Cannon may be fired in quick succession without the
necessity of a Match. By Mr. N. DOUGLAS,

154

Description