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 XVIII.-SECOND SERIES.

London:

PRINTED FOR THE PROPRIETORS;

AND SOLD BY W. H. WYATT, AT THE
REPERTORY AND PATENT OFFICE, 9, PICKETT-STREET,

CONTENTS

OF THE

EIGHTEENTH VOLUME, SECOND SERIES.

-

Specifications of Patents.

-

-

Page

Mr. VARTY's for certain Improvements in the Axle-trees of Car-
riages,

Mr. WARREN'S for a new and improved Method of splitting

Hides and shaving Leather. Communicated to him by a cer-

tain Foreigner,

Mr. WINSOR'S for certain Improvements upon his former Pa-

tent Oven-Stove, or Apparatus for carbonising all Sorts of

raw Fuel and Combustibles, and reducing them into superior

Fuel of Coke and Charcoal, as well as for extracting and sav-

ing during the same Process the Oil, Tar, pyroligneous vege-

table Acid, and ammoniacal Coal Liquors, and for extracting

and refining all the inflammable Air or Gas so as to deprive

it of all disagreeable Odour during Combustion, and render-

ing the Gas itself salutary for human Respiration when pro-

perly diluted with atmospheric Air, and various Methods of

applying the above several Products to useful Purposes,

Mr. WATTS's for Methods of combining and disposing Machinery,

and applying the different Powers of Wind, Water, and Cattle

thereto, so as to effect Improvements on Mills,

15

Mr. BRAMAH'S for a Method of making and constructing Pens

for writing with,

Mr. RANDOLPH'S for a Method of manufacturing all Kinds of

Boots, Shoes, and other Articles, by Means of a Substitute for

Thread made of Hemp, Flax, or other Yarns. Communi-

cated to him by a Person residing abroad,

a 2

65

80

Mr.

Page

Mr. KENT'S for a new and expeditious Method of moving all

Kinds of Goods or Materials to high Buildings or from deep

Places,

Mr. THOMPSON's for a Machine or Machinery for raising, lower-

ing, drawing, driving, forcing, impressing, or moving Bodies,

Substances, Materials, Fluids, Articles, or Commodities,

Mr. DONKIN's for a Pen on a new Construction,

Mr. MATHEWS's for an improved Method of constructing and

building Locks with an inverted Groin or Gothic Conic Arch,

also an improved Form of the Gates, and an improved Me-

thod of opening and shutting the same,

-

Mr. WILCOX's for sundry Apparatus or Machinery for accele-

rating the Manufacturing of Felt or Stuff Hats, and for cut-

ting and removing by Machinery the Furs of Beavers, of Rab-

bits, and the whole Variety of Skins, the Fur or Wool of

which is used for the Purpose of Hat-making,

Mr. HAWKINS's for a certain Instrument, Machine, or Manu-

facture, applicable in Mechanics as a Balance or Equipoise,

Mr. BUNDY'S for a new Method of heading Pins,

Messrs. FROST's for an improvement upon Cocks, or an im-

proved Lock-cock,

Mr. DEYERLEIN's for a Machine, new Principle, or Method of

making Bricks and Tiles, and also by Means thereof, of Clay,

Loam, or similar Materials to those commonly used in Potte-

ries, to make all Sorts of Mouldings, Beads, Tubes, Gutters,

Channels, or Cylinders to convey Water, Smoke, Steam, or

any other Fluid or soft Substance,

"

Mr. Porrs's for a new Process of freeing tarred Rope from the

Tar, and rendering it fit for the Use of the Manufacturer,

Mr. STUBBS's for a new invented grand imperial Aulacum, from

three to eighteen or twenty Feet wide, without Seam, and

to any Length or Colour, for decorating the most superb or

useful Rooms, for such as Drapery, Curtains, and Fringes,

Chairs, Sofas, Tables, and other Articles of Furniture, or

finished on one side only, for ornamental Hangings, Borders,

and any other Species of Decoration,

"

n

Mr. WOODMAN's for a Method of manufacturing all Kinds of

Boots, Shoes, and other Articles,

82

129

138

140-

193

199

203

257

259

266

269

271

Mr.

Page

Mr. MURDOCK'S for an improved Method or Process for boring

and forming Pipes, Cylinders, Columns, and circular Disks,

out of solid Blocks and Slabs of Stone, of any Kind or De-

scription,

-

Mr. PARKER'S for a Cement or Terras to be used in aquatic
and other Buildings, and Stucco-work,

Mr. STUART'S for a Method of engraving and printing Maps
of Countries, Charts, or other Plans or Designs, Music, Ma-
thematical Diagrams or Figures, on Wood, Metal, or any
other Substance, so that they may be thrown off in a common
Printing Press or Presies, either for Books, Newspapers, or
any other printed Paper whatever,

321

330

332

Original Communications.

Observations on Mr. THOMPSON's Patent for raissng Weights.
Communicated by the Patentee,

Observations on Mr. BUNDY'S Patent for a new Method of head-
ing Pins. Communicated by the Patentee,

131

206

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

New Mode of improving Grass Lands. By Mr. SALTER,

Horses and Oxen compared. By the Rev. R. KEDINGTON,

-Account of an Apparatus for cleaning Chimnies. By Mr. SAMUEL

ROBERTS, Chairman of a Committee appointed at Sheffield

for encouraging the sweeping of Chimnies without the Use of

Climbing-Boys,

、

26

35

44

85

On Seed Grain. By the Right Hon. Sir Josɛeu Banks,

Description of a Carriage on a new Construction, with Six

Wheels. By Lieutenant WILLIAM ANDERSON,

Description of a Boiler for the Use of Tallow-Chandlers and

other Manufacturers of inflammable Matters. By Mr. BREAM, 89

Description of a Machine for making Slate-pencils. Invented

by Mr. J. BROCKBANK,

Researches on the oxymuriatic Acid, its Nature and Combina-

tions; and on the Elements of the muriatic Acid. With some

Experiments

91