THE

REPERTORYfatent invertir.

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 XIV.-SECOND SERIES.

London:

PRINTED FOR THE PROPRIETORS;

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

1809,

Jaw. 20, 1927

Cancelled from Baker Library

By transfer from
Pat. Offee Lib.
April 1014.

NICHOLS and SON,

PRINTERS,

Red Lion Passage, Fleet Street, London.

Library of Congress

Ex.

Mr. CONGREVE'S for a new Principle of measuring Time, and

constructing Clocks and Chronometers,

Mr. Cook's for a Method of making barrels for Fowling-

Pieces, Muskets, Pistols, and other similar Fire-Arms; and

Ramrods for the same,

-

Mr. CURR'S for a Method of applying flat Ropes, flat Bands,

or Belts of any kind, to Capstans and Windlasses of Ships

and Vessels; and also a Method of applying them for the

Purpose of catching and detaining Whales,

Mr. BELL'S for an Improvement in making Pipes or Pumps

for conducting Water and other Liquids,

-

Mr. FOTHERGILL's for a Machine for dressing Hemp, and ma-

king and spinning the same into Ropes and Cordage,

Mr. DICKINSON's for his Invention of a Cannon Cartridge Pa-

per, manufactured on an improved Principle,

Mr. JONES's for a Method of discharging Colours from Shawls,

and other dyed Silks, and Silk and Worsted of every De-

scription, and such Part or Parts thereof as may be re-

quired for the Purpose of introducing, by printing or

staining, various Patterns on such Discharges, or other-

wise,

a 2

Page

1

21

26

31

73

83

85

CHARLES

Page

CHARLES GRANT, Viscount de Vaux's, for a Machine, which

will shew the Latitude and Longitude at Sea; serving also

for weighing any Object, for measuring Space, or the

Course of a Ship, and Time, shewing and keeping Account

upon Dials, and upon Cosmographical Columns, which are

Part of such Machine; and also shewing the Leeway of a

Ship: Part of which Machine may also be applied to other

useful Purposes,

Mr. Doon's for improved Bridge Floorings or Platforms, and

fire-proof Floorings and Roofings for extensive Dwelling-

Houses, Warehouses, and Mills,

-

Mr. SEWARD's for Improvements in the Construction of

Lamps,

Mr. BARRATT'S for a Machine for Washing Linen and Cotton

Clothes, and other similar things; to which there may be

affixed, or omitted at pleasure, a Contrivance for pressing

the Water from them, now commonly done by wringing,

Mr. CRACKLES'S for a Method of making and manufacturing of

Brushes from Whale-bone, which have heretofore been usu-

ally made and manufactured from Bristles,

86.

145

148

153.

156

Mr. SHOTWELL's for certain Improvements in the manufactur-

ing of Mustard,

Mr. DAMPIER'S for certain Machinery for rasping, grating, or

reducing into small Parts or Powder, such Woods, Drugs,

and other Substances, for the Use of Dyers and others, as

are not easily to be pulverized by mere Percussion,

Mr. THOMAS's for a perforated Vessel, Percolator, and Frame,
for making and preparing Potable Coffee,

Mr. STRACEY's for an improved Method of hanging the Bodies,

and of constructing the Perches of four-wheel Carriages,

by which such Carriages are rendered less liable to be

over-turned, and of constructing Perch-bolts and Collar-

braces,

Mr. JONES's for Compositions for the Purpose of making Trays,

Waiters, and various other Articles, and new Modes or

Methods of manufacturing the same, that is to say, by

Presses or Stamps,

Mr. MASSEY'S for an improved Cock for drawing off Li-

quors,

217

221

234

289

297

301

Mr.

Page

Mr. STEERS'S for a new Method, directed by Machinery, of
using the Screw, by which its mechanical Power or its Mo-
tion is increased,

-

Mr. BERROLLAS's for a Method of making infallible repeating

Watches,

Mr. BROWN's for Improvements in the Construction of a Press
for Printing Books and other Articles, part of which may
be applied to presses now in common use,

361

364

368

Original Communications.

On the Culture of broad-leaved Clover (Trifolium Pratense)

by the Tullian Method. Communicated by Mr. BARTLEY,

A Statement of the Capacities and principal Dimensions of His

Majesty's Ships Hibernia and Caledonia, of 120 Guns each.

Communicated by a Correspondent,

Account of a new-discovered Fact in Hydrostatics, and of

an Application of it. Communicated by Mr. J. W.

BOSWELL,

Observations on CHARLES GRANT. Viscount de Vaux's, patent

for a Machine, which will shew the Latitude and Longi-

tude at Sea. Communicated by the Patentee,

Method adopted by BENJAMIN ROEBUCK, Esquire, to make

Ice at Madras. Communicated by a Correspondent,

Practical Rules for finding the Strength of Timber. Deduced

from Dr. YOUNG's Lectures. Communicated by a Corre-

spondent,

Observations on Mr. THOMAS's Patent for a perforated Vessel
Percolator, and Frame, for making and preparing Potable
Coffee. Communicated by the Patentee,

An Essay on the Newtonian Demonstration of the General

Property of the Lever. Communicated by Mr. OLINTHUS

GREGORY,

-

An Account of the Progress and present State of the Works un-

dertaken with a view of forming a Tunnel under the

Thames. Communicated by a Correspondent,

Papers