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PRINTED BY CUNNINGHAM AND SALMON, CROWN-COURT, FLEET-STREET.

CONTENTS.

ORIGINAL CONTRIBUTIONS.

PAGE

1

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Description of Hutchison's Patent Gas-generator for Shipping. By C.

Suggestion on the Pneumatic Railway. By A. J.

Description of a Horse-worked Fire-engine. By T. P.

Description of a Plan for Ventilating Mines by Air-pumps. By Mr. P. Halliday :

On Circulating Decimals. By Mr. Anthony Peacock

13, 109, 197

On the same. By G. C. L.

43

On the same. By a Country Teacher

175, 253

On the Experimental Data requisite to determine the Limits of Railway Velocity

and Economy. By Iver M Iver

14

Remarks on Tuning Musical Instruments, and Proposal of a new Mathematical Divi.

sion of the Scale. By Corio..

20

Suggestions on Widening Blackfriars-bridge. By a Citizen.

21

Proposal of a Petition to Parliament on the Subject of British Museum Duplicates.

By S.S.

24

On the Supply of Electric Currents to Plants. By Mr. W. F.G. Waldron

25

Suggestion of a Mode of Preserving Copper-sheathing. By Mr. J. F. Olander ... 25

Description of an Improved Paddle-wheel, with Remarks on other Paddles. By Mr.

T. s. Mackintosh

33

Jescription of Merry weather's Fire-engine Branch-pipe. By Mr. W. Baddeley ..,

Remarks on the Literary Institutions of the Kingdom, and on the Improvement of the

British Museum. By P, P. C. R.

38

Vote on Dr, Fox's Turn-cap for Ventilation. By C.

40

tote of an apparent Phenomenon in Railway Velocity. By Trebor Valentine

40

jescription of a Mercurial Safety-pipe, Self-acting Damper, and Pressure-gauge for

High-pressure Boilers. By Mr. Edward Bunting

41

Description of an Improved Window-sash. By D. H.

42

Hints on Railways and Locomotives. By Joseph Jopling, Esq.. Architect

43

On the Connexion of Electricity with Vegetation. By Mr. J. Pine

58

Remarks on the Formation of Slate in the Kirkby Quarries. By Joseph Jopling, Esq.,

Architect

56

Note on Hansom's New Safety-cabs

59

List of permanent Provincial Institutions, Libraries, and Museums. By S. S. 59

Analytical Notices of Recent Specifications. Thomas Walker_Self-extinguishing

Candlesticks. James Kean—Throstle-Flyer. Wm. Busk-Propelling Vessels.

John Rogers-Paddle-Wheels. Rev. F. H. Maberly.- Propelling Vessels ...

60

Description of Hebert's Patent Domestic Flour-maker

66

Examination of the Claims of certain Provincial Iustitutions to be considered Per-

manent, and Observations on the Improvement of the British Museum.....

74

Notice of Meetings of the Institution of Civil Engineers and Reports upon Hunter's

Stone-planing Machine ......

79

On Mr. Mackintosh's Electrical Theory of the Universe. By Ursa Major. 92, 313,

359, 437

On the same. By Trevor

107

On the same. By Zeta
On the same. By Kinclaven

298, 339, 380, 417, 459
On the same. By Wm. Leithead, Esq., Surgeon

408
On the same, and on Mr. Pine's Tbeory of Electro-Vegetation. By W. B.

94
Answers to Opponents, and further Elucidation of the Electrical Theory. By Mr.
Mackintosh.

. i 274, 358, 388

Notices of Mr, Hancock's Steam Traffic between Paddington and the Bank.. 95, 111, 191

Equations for Railway Inclined-planes. By Iver M'Iver ..

106

Note on Mr. Jopling's Railway Hints. By Mr. J. Elliott, Machinist

Strictures on the Long-work System of Mining. By Mr. Thomas Deakin, of

Blaenavon

te on Messrs. Mordan and Co.'s Triple-pointed Pen. By Scrutator ..

111

Proposal of Improvements on his Condensing Railway Locomotive. By Mr. J. W.

Nicholl, Engineer

124

Description of Ford's Fire-escape. By Mr. W. Baddeley

130

Strictures on Mr. Barry's proposed New Houses of Parliament, and on the Metro-

politan Improvements. By P.P.C.R.

148

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Suggestion of a Lady's Marine Life-preserver. By Campo-Bello

135, 298 miso

Papers on the Superiority of Cornish Steam-eugina Work. By Mr. Jonathan

Dickson, C. E.

By Mr. J. S. Enys, of Enys

269 Pre

Report of Observations on the Eclipse of the Sun. By J. L. S.
Strictures on the Railway System. By H.
Note thereon. By the Editor ...
On the Connexion between Electricity and Vegetation. By Nir. Thomas Pine
Suggestion of a new Mode of Heating Bookbinders' Lettering Tools. By Mr. T.

Coggan

Description of an Improved Railway Carriage-break. By Mr. W. J. Curtis,

Engineer

Remarks on Hale’s Hydraulic Apparatus. By Mr. Allan Mackenzie

146

Description of a Railway Carriage-break and Buffer combined. By Mr. G., Millichap,

Engineer ..

Comparative Railway Table

150

B

Description of Mordan and Co.'s Triple-pointed Pens, and Remarks on Steel Pens in beta
general. By Mr. W. Baddeley

153
On Literal Spelling. By Saxula
On Aerial Locomotion by. Means of Birds. By Kenans
Description of an Improved Mode of Sharpening Scythes. By Colonel Maceroni
Descriptiou of Hutchison's Patent Gas-retort Bed. "By Clovis
Practical Suggestions on the Workiug of Inclined Planes and Canal Locks. By the

Rev. Robert Carey, Rector of Donougbmore, Clonmel

Strictures on the Steam-carriages Tolls' Bill

On Chemical Tests for the Detection of Arsenic. By Henry M. Noad, Esq., Surgeon 27

Description of the Greenwich Safety Railway Carriages. By Mr.W.J.Curtis, Engineer

Note on the Silica Soap, and Wasbing with Pipe-clay. By J. S.

Description of Stephens's Improved Fountain Ink-stand, and Remarks on tbe Manu-

facture of Ink. By Mr. W. Baddeley

22:

Boi

Notice of Stirling's Ornamental Plate Manufacture

231
On the Invention of the Triple pointed Pen, patented by Messrs. Mordan and Co.'
By Mr. Jonathan Dickson, Engineer

23

Description of a Screw-pin for Drawing-boards; to allow bo h Sides to be used. By

C. E. B.

233

Description of a Medal-cutting Enginè. By Mr. N. S. Heineken

242

On Siderial Time, as the most important for ascertaining a Ship's Place. By Mr. W.

F. G. Waldron

245

Description of Improvements in Electrical Apparatus for Dancing Images. By

Mr. W. Ettrick

247

Description of a Safety-valve and Damper for High-pressure Boilers. By R. 249

lap

Suggestion of Slate for the Tops of Wash-band Stands. By an Amateur Mecbanic 254

Description of an Improved Mode of Traction through Canal Tunnels. By Mr.

Emanuel Wharton

25€

Suggestion of Dust-Protectors. By an Occasional Traveller..

History of the Foundation of the British Museum By S. S......

On the Doctrine of Incommensurable Quantities. By a Country Teacber.

On the Use of Pipe-clay in Washing. By Mr. W. Baddeley

be

Notice of Mr. Rowland Hill's Patent Rotary Printing Apparatus

Description of Mr. W. Symington's Patent Horizontal Windmill. By N.

273

the

Description of Improvements upon the Hydro-oxygen Microscope. By Mr. W.
Ettrick

281
Description of an Improved Drawing-board, for Straining Drawing-paper, By Mr.
James Hennell

1 Ae
Description of Heaton's Brick-making Machine. By Mr. W. Baddeley
Observations ou the Phenomena of the late Solar Eclipse. By W. H. Weekes, Esq.,

28

Description of a Steam-plough. By Mr. Jonathan Dickson, Engineer

B

Astronomical Observations Facilitated. By Mr. J. Utting, C. E.

the

Reply to Mr. Waldron on Siderial Time. By a Country Teacher..

293

the

Description of Mr. W. Symington's System of Condensation by Injection. By the

ath

Inventor.

29:

Description of an Improved Eccentric-chuck. By Mr. J. Wilbee

297

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298 temarks on the New Patent-law. Amendment Bill. , By Mr. J. Chapman

299

n Steam Navigation to India ....

301

), 310 pescription of Hebert's Flour-mill for iWorkbouses

306

• 209 In the Practicabili y of Aerial Navigation. By Omri

307

137

o the Application of Power in the Locomotive-engine. By Practicus

308

on the Systems of Condensation, patented by Mr. W. Symington and Mr.

Thomas Howard :-

140

Mr. Howard's Letters

1.

310, 362, 444

Mr. Symington's Letters

338, 393

142 Description of a new Mercurial Steam-wheel. By Mr. W. Jones

312

is, laternal Affection of the Cbathinch. By Colonel Maceroni

314

146 )o Railway Phraseology, By Mr. Q. Briggs

317

146 Jescriptioo of Pickworth's Patent Paddle-wheel

322

ap, lote on the Defeat of the Tolls on Steam-carrieges' Bill

335

Tescription of an Improved Chimney-lood and Ash-pan for Locomotive engines.

150

By Mr. W. S. Curtis, Eugineer

338

- in

In the Fallacy of Jones's Mercurial Steam-wheel. By Mr. Wm. Pole

341

153
fatement of a new Theory of the Tides. By Mr. Alexander Clark, Engineer

313

157

'escription of an Ancient Guu, with revolving Breech. By Mr. John Thomas 344

1 tion of Mr. Millard to the House of Commons, on the Reform of the British

Iuseum

315

on the Parliamentary Grant for a National School of Design

345

ptice of Webster's Otophane; or Patent Invention for assisting the Hearing.

198

By W.

347

19

a icription of Captain Ericsson's Patent Lead or Sounding Instrument

354

Ne or the Description of Pickworth's Patent Paddles. By Mr. H. Pickworth 356

D. be Use of Rockets as a Substitute for Light-houses on the Shores oi the Black

Sea. By Colonel Maceroni

357

scription of a Mode of Separating the Steam from the Water in High-pressure

22

Boilers, and Remarks on Steam-boiler Explosions. By Mr. L. Landalo.......

231)

361

1 lotes on several Resuscitated Inventions. By Mr. J. Elliott...

365

Co.

12 the Extraction of the Cube Root, and a Short Method of Calculating the Con-

23.

tents of Vessels

366

Ву
ote on the Manufacture of Beet-Root Sugar in Russia. By J. K......

ib.

Description of an Iinproved First-class Railway-carriage. By Mr. Eugenius Birch. 370

2423

Motice of M. Guesney's New System of Geology. By an Oli Correspondent 370

Description of a Screw-cutting Slachine. By the Rev. James Tracey, oi' Pembroke . 376

245
Description of a Mathematical Screw-cutter.' By Mr. N. S. Heineken

377

By

247|escription of an Improved Handle for Street Water-posts. By Mr. W. Baddeley... 378

Pn the Invention of the Rotary Printing-apparatus, with reference to Mr. Row-

249

land Hill's Patent. By Honry M.Cormac, Esq., M.D., of Belfast

379

254

On the Invention of Lubrication by Water. By Mr. W. J. Curtis, Engineer

Mr.

Remarks on Mr. Clark's supposed New Theory of the Tides. By Mr. W. F. G.

258

Waldron

Description of Cherry's Patent Invalid's Bedstead

386

Dn Messrs. Upton and Roberts' Safety-lamp. By The Black Diamond

390

264

270

Description of a Simple Method of Drawing on both Sides of a Board, without either

being Rubbed. By Mr. Frederick Lush

390

On the Extinction of River-side Fires. By Mr. H. Walker

391

On Fire-proof Staircases. By Mr. P. Rayne, Builder

391

r. W.

Description of a Plan for a Rotary Steam-engine. By Mr. W. Pearson

392

Description of an Improved Double Balloon, with Hydrogen and Carbonic-acid

Gases. By Mr. Robert Munro

393

On Aerostation. By Omri

394

Notice of Mr. Green's Grand Balloon

395

- Esq.,

On the Discoveries promulgated at the Meeting of the British Association, at Bristol.

284

2

By Colonel Maceroni

the British Salmon Fisheries, wide riupuwo ma nic muvvüüvisvar i rus. 397

404

the Rivers of France. By Colonel Maceroni

Do the Impracticability of Aerial Navigation, and on the Superiority of Montgolfier's

408

to Gas Balloons. By Colonel Maceroni

Hint which may be Useful when Magnetic Locomotives are in Use. By Tyro Mechanicus 412

233

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