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 XIII.-SECOND SERIES.

London:

PRINTED FOR THE PROPRIETORS;

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

1808.

CONTENTS

OF THE

THIRTEENTH VOLUME, SECOND SERIES.

Specifications of Patents.

Mr. WILLIAMS's for new and improved Machines and Machinery

for preparing and spinning Wool, Cotton, Hemp, and other

filamentous Substances,

--

Mr. NEWBERRY'S for an Invention of certain Machinery for the

Purpose of sawing Wood, splitting or paring Skins, and

various other useful Purposes,

Page

Mr. PLOWDEN'S for newly-invented Aphthartic Viands; being

Butcher's Meat, animal and comestible Substances, pre-

served without Acid, Salt or drying, in a sweet, palatable

and nutritious State, fit for Consumption both at Sea and

on Land, for an extraordinary Length of Time,

Mr. DONKIN's for a Mode of producing a rotary Motion appli

cable to useful Purposes,

-

Mr. MATTHEW's for certain Improvements in the Construction

of Watches and Chronometers,

Mr. JEWELL'S for a Method of preparing or reducing to an

impalpable Powder, for Medicinal Use, the Substance com-

monly called or known by the Name of Calomel, whereby

the Process employed of levigating the same is rendered un-

necessary,

Mr. WEEKS's for a forcing Frame on a new and improved Con-

struction for raising and forcing of Cucumbers, Melons,

Strawberries, and various other Fruits and Plants which

require the Application of artificial Heat to rear or ripen

the same,

a 2

31

34

36

78

79

81

Mr.

Page

Mr. DIBDIN's for a Method of facilitating the Learning of Music, 83

Messrs. JEFFERSON, ELLIS, and GALLOWAY's for a Machine or

Machines for the Purpose of finishing, glazing, and glossing

-

-

1

145

157

Mr. CAPARN's for a Machine for discharging Smoke from
smoking Chimnies,

Mr. DICKSON's for a Method of constructing Cocks for stop-

ping Fluids; and which Cocks, by one Motion or Opera-

tion, will permit such Fluids to pass in different Directions, 159

Mr. BIRCH'S for an Improvement in the Construction of the

Roofs and upper Quarters of Landaus, Landaulets, Barouche

Landaus and Barouche Curricles, and other Carriages, the

upper Parts of which are made to fall down,

Mr. MORRIS'S for a Machine for Mangling,

Messrs. HENRY FOURDRINIER and SEALY FOURDRINIER, and

JOHN GAMBLE's, for making Paper by Means of Machines,

for which several Letters Patent have been obtained at dif-

ferent Periods,

-

161

162

217

Mr. NOBLE'S for a new Method of making Carbonate of Lead,

commonly called White Lead,

242

Mr. PHELPS's for certain Improvements in manufacturing

Soap,

244

Mr. HAWKES's for Improvements on musical-keyed Instruments

of twelve fixed Tones,

248

Mr. HALL'S for certain Improvements in making and manu-

facturing Ropes and other Cordage, and coiling of Lines

in Whale Boats,

Mr. CURR'S for a certain Invention of spinning Hemp for the

Making of Ropes or Cordage,

-

Mr. HARRIOTT's for a new Fire Escape, or Machinery to be

used in Cases of Fire,

Mr. COBB's for a Method of making an Air Jacket and proper

Shoes for Swimming,

289

297

299

303

Mr. COLEMAN's for certain Improvements in the Construction

and Application of a Horse-Shoe,

Mr. WATSON'S for certain Improvements in the Art of Soap-

making, by which the Article is in several Respects ameli-

orated,

361

Mr. LESTER'S for an improved rotary Motion or Engine to com-

municate Power to Machines,

364

Mr.

Page

Messrs. WILMORE and TONKS's for a new Method and Pro-
cesses in the manufacturing of Nails,
Mr. STEDMAN'S for a Patten and Clog, being of infinite Utility
and Ease to such Persons as may wear them,

366

370

Original Communications.

On the distinctive Difference of Messrs. CHAPMANS' and Mr.

CURR'S Patents for Flat Ropes.

W. CHAPMAN,

Communicated by Mr.

38

Description of a cheap Apparatus for filtering and purifying

Water. Communicated by Mr. J. I. HAWKINS,

Observations on Mr. BIRCH'S Patent for an Improvement in the

Construction of the Roofs and upper Quarters of Carriages.

Communicated by the Patentee,

43

162

Observations on Mr. MORRIS'S Patent for a Machine for Man-

gling. Communicated by the Patentee,

164

On the Construction of the Teeth of Escapements. Communi-

cated by Mr. ROBERT KING,

210

Description of a Threshing Machine, made by Mr. JOSEPH

FROST. Communicated by a Correspondent,

Account of the third Voyage of the Ship Economy, built accord-

ing to Mr. J. W. BOSWELL'S Patent Plan. Communicated

by the Patentee,

213

249

An Account of Captain Cowan's improved Sails for Ships and

Vessels of all Descriptions. Communicated by the Patentee, 253

Description of an Improvement on Tide-Mills, to make them

work as well at high and low Water as any other Time of

Tide. By Mr. JOHN ISAAC HAWKINS. Communicated by

the Author,

Description of a Mortar for preparing Mercurial Ointment. By

Mr. JAMES PHENIX.

Improvements on Wheel Carriages. By Mr. P. ANDREWS. Com-

Communicated by the Author,

Observations on several of the Articles inserted in No. 77. Com-

municated by the Author,

cated by the Author,

--

Graham's Dead-Beat improved. By Mr. R. KING. Communi-

259

306

ibid.

373

375

Papers