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.

T

R43
V.4

NICHOLS and Son Printers, Red Lion Paffage, Fleet Street.

CONTENTS

OF THE

FOURTH VOLUME, SECOND SERIES.

Specifications of Patents.

Mr. NEWSTEAD's, for preparing Barilla and Kelp, and the neu-

tral Salts obtained therefrom,

Page

1

Mr. STUARD'S, for a Method of strengthening Ships,

Mr. CRAANEN's, for making Verdigris with Ingredients the Pro-

-

6

J

duce of Great Britain,

9

Mr. GOULD'S, for an Hydrometer,

Mr. HUDDART'S, for making great Cables and other Cordage,

Mr. DAVIS'S, for a Machine for, and Method of, cleansing and

sweeping Chimneys, and extinguishing them when on fire,

Mr. KENTISH'S, for an improved Derrick for loading and unload-

ing Ships,

-

Mr. RANSOME's, for making and tempering Cast-iron Plough-shares, 97

Mr. HOOPER'S, for Machinery for cleansing Harbours, Rivers, &c. 161

Mr. BEVANS'S, for applying Machinery for striking or sticking

Mouldings,

171

Miss BELL'S, for sweeping Chimneys, and a new Manner of con-

structing them,

Meff. ROBERTS and CATHERY'S, for eradicating Smut from Wheat, 181

Meff. TREVITHICK and VIVIAN's, for Improvements on Steam-
Engines, and for applying them to driving Carriages,
Mr. EVERETT'S, for Salisbury Angola Mole Skin,

241

249

Mr. HATELY'S, for some reducing Fluxes for purifying Mineral

and Metallic Bodies,

Mr. BOOND's, for a new Manufacture of mixed and coloured

Meff SHARP and WHITTEMORE's, for a Machine for making

Cards for carding Wool, &c.

Mr. HAWKINS's, for new Machinery and Methods for Writing,

Painting, &c.

-

Mr. LOOSEMORE's, for manufacturing Cloth,

Earl of DUNDONALD'S, for preparing Hemp and Flax,

Mr. WOLLASTON's, for an Improvement in Spectacles,

Page

321

327

340

403

Mr. BENNET'S, for a Method of felting Woollen Cloth,
Mr. HYMAN'S, for a Composition for shaving without Razor,

Mr. MEDHURST's, for a condensing Wind-Engine,

Original Communications.

Observations on Mr. STUARD'S Patent for strengthening Ships.
By the Patentee,

-

-

On the Means of abolishing the horrid Practice of sweeping Chim-
neys by Children. Communicated by the Author,
Observations on Mr. KENTISH's Patent for an improved Derrick
for loading and unloading Ships, &c. By the Patentee,

Description of an Apparatus for extinguishing Fires in Cotton.

Factories, &c. to be attached to Steam-Engines or Water-Mills.

Communicated by the Author,

Description of an Improvement on the Siphon. Communicated

by Mr. JOHN NORTON,

-

-

On the Advantages of Mr. BOSWELL'S Patent Method of con-

structing Ships. Communicated by the Inventor,

Description of a self-acting Water-Closet. Communicated by Mr.

BENJAMIN HOOKE,

405

406

51

94

281

366

430

437

Papers selected from the Transactions of Philosophical Societies, &c.

-

Hints regarding Cattle. By Sir JOHN SINCLAIR, Bart.

Experiments on extreme Branch-grafting of Fruit-Trees. By

WILLIAM FAIRMAN, Esq.

Method of dyeing Cotton-Yarn a fixed Turkey Red. By M.

PIERRE JACQUES PAPILLON,

Appendix to Sir JOHN SINCLAIR's Essay regarding Cattle,

Remarks on the Resistance of Fluids. By Dr. YOUNG,

-

36

98

105

110

121

Account

Account of some Experiments on the Descent of the Sap in Trees.

By THOMAS ANDREW KNIGHT, Esq.

-

A Chemical Analysis of some Calamines. By J. SMITHSON,

On Meteorology as applicable to Husbandry. By Rev. Mr.

HOLMES,

-

On the Preparation, Culture and Use of the Orchis Root.

-

-

-

Page

182

254

271

By Dr.

274

-

419

417

PERCIVAL,

Account of a Method of gaining Land from the Sea. By Mr.

JOHN KNAPPING,

Account of Experiments on feeding Cattle on Potatoes. By JOHN

CHRISTIAN CURWEN, Esq.

Observations on the Chay Root, a Species of Madder used for dy-

ing durable Red Colours in the East Indies. By J. FLEMING, 423

Account of the Method used to recover the Dutch Frigate Ambus-
cade, sunk near the Great Nore. By Mr. WHIDBEY,

Papers translated from Foreign Works.

---

On the Employment of Aërostatic Machines in the Military Sci-
ence, and for the Construction of Geographical Plans. By A.
F. LOMET,
Method of procuring very strong Vinegar at a trifling Expense,
Memoir on Vinous Fermentation. By M. THENARD,
Improved Method of preparing liquid Ammoniac,

Method of obtaining pure Metallic Cobalt. By M. TROMMS-

Extract from a Memoir on the febrifuge Principle of Quinquina.
By M. SEGUIN,

427

57

65

67, 130

74

126

127

140

Method of manufacturing Earthen-Ware capable of resisting sud-
den Transitions from Heat to Cold. By M. FOURMY, 141. 211

Memoir on the refining of Lead, and a new economical Method of

constructing Cupels. By M. DUHAMEL,

194

Description of a portable Thermometer, to ascertain the Tempera-

ture of Vats, Coppers, &c. and for other Uses,

228

On the Art of hardening Copper,

231

Method of converting into Ether almost the Whole of any Quan-

tity of Alkohol. By M. VAN MONS,

283

Method