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Heat of Combustion, on the Electric Origin of
Hind, Mr.
Historical Sketch of Voltaic Piles
Holtman, Mr. John, on Patching Steam Boilers, &c.
Husbands, Mr. J.

Page.
302
113
363

237
. 237

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J.
Jacobi, Professor, on Measures of Voltaic Series

18, 21
-, his Galvanoplastik

66, 168
Induction, a Memoir on

346
Jones, Mr.

81
Jordan, Mr., on Electro-Metallurgy

239
Iron made to Dance in an Electro-Magnetic Coil

416
Jowle, J. Prescot, Esq., on a New Class of Magnetic Forces 219

on Heat Evolved by Metallic Conductors 287

on the Electric Origin of the Heat of
Combustion

.. 302

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K.
Kane, Dr., on the Production of Audible Sounds
Kirwan, Richard, Esq., LL.D., his Thoughts on Magnetism
Knox, J., Esq., his Improvements in Voltaic Piles

209
346
210

L.
Lame, Professor G., on the General Principles of Natural
Philosophy

473
La Place, M.

182
Lavoisier, M.

182
Lea, Henry C. Esq., on Peroxide of Manganese ..

409
Lead, History of its Combinations

315
Leeson, Professor, on Bichromate of Potassa in Voltaic Batteries 416
Lettsom, W., Esq., on Induced Electric Currents

.. 472
Leyden Jar

214
Liebig, Professor

315
Light, Observations on

384
Lloyd, Professor

47
London Electrical Society, Proceedings of (1, Note). 76, 327
Lovering and Bond's Magnetic Observations

27, 90, 186
Longevity of Miners

232

M.
Mackrell, Mr., his Voltaic Experiments

416
Magnetic Phenomena, Extraordinary at Greenwich

112
Forces, a New Class of..

219
Observations

. 27, 90, 186
Magnetism, Kirwan's Thoughts on..

316
Communication of

352
Magnets, on the Comparative Powers of Large and Small 146

Page.
Manganese, Peroxide of

409
Marechaux, M., his Dry Electric Pile

379
Mariners' Compass, Remarkable

237
Masson and Breguet, on Induction

346
Mason, Thomas, Esq., on the Employment of Bichromate of
Potassa in Voltaic Experiments ..

415
Marsh, James, Esq., on Electro-Magnetic Apparatus 81, 337

Peculiar Electric Phenomena, &c. 124
Metallic Oxides and Alkaline Peroxides, the Action of

454
Meteor, a Remarkable One seen in Great Britain

210
Moyle, M.P., Esq., on the Analysis of the Air of Mines..

232
on Asphyxia

233
Mullins, F. W., Esq., M.A., on the “Sustaining Voltaic
Battery"

465

on

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N.
Natural Philosophy, the General Principles of..
Nollet, L'Abbe
Notices of New Books ..

470
180
231

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19, 21

Ohm, Professor
Oxmantown, Lord, his Large Reflecting Telescope

203

P.
Palmstedt, Professor

80
Pattison, Mr.

353
Paul, Mr.

113
Peirce, Benjamin, Professor

..( Note). 27
Pelouze, M. J., on the Combinations of Lead

315
Perrot, Mr., on Electro-Gilding

217
Pfaff, Professor, on the Theory of Galvanism

80
on the Powers of Magnets

146
Phillips, Mr. J.

237
Photography

497
Playfair, Dr. Lyon, on the Chemical Relations of Plants and
Animals

257
Poggendorff, Professor

26
Pyrope ..

213

R.
Register of Atmospheric Electricity

76, 119
Reinecker, M., on Electro-Gilding

217
Researches in Electricity, &c.

..81, 82, 85, 87, 225, 337
Riddle, Lieut., C. J. B.

27
Robinson, the Rev. T. R., D.D., on a Large Reflecting
Telescope

203
Royal Cornwall Polytechnic Society, Eighth Annual Report of 231

Royal Irish Academy, Proceedings of
Royal Victoria Gallery, Manchester,
Ruoltz, De, M., on Electro-Gilding, &c..

. -58, 161,

Page.

203
58, 161, 219, 257

..125, 132

S.
Safety Valve

237
Shafhaentl, Dr. Chas., on Electricity by Evaporation 186, 360
Schönbein, M.

(Note). 20
Shooting Stars

283
Smee's Battery, Experiments with

211
Society of Arts

337
Spencer, T., Esq., on Atmospheric Electricity 152, 246, 277, 322
Spencer and Wilson's Patent for Electro-Etching

415
Squire, Lovel, Esq., on the Falmouth Dispensary

232
Steinheil, Professor, on Induced Electric Currents

472
Sturgeon, William, his Researches in Electricity, &c. 81, 82, 85
87, 225, 337, 416

473
Sultzer, M., on the Theory of Pleasures

363

T.
Telescope, Lord Oxmantown's large Reflecting
Thompson, M., on an undescribed species of Sturgeon
Theory of Electric Currents

Pleasures
Thermo-Electric Observations

203

210
19, 20, 21

363
26

Water ..

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V.
Vapours of Furnaces

336
Venturi, Professor, J. B., on the Motions of Camphor on

. .417, 421
Volta, Professor

179, 182, 353, 363, 364, 369
his Account of New Experiments..

371
Voltaic Batteries, Bichromate of Potash in

415
Battery, the “ Constant

456
the “Sustaining

463
the Cast Iron One

495
Grove's

(20 Note). 75
Batteries, Experiments with

..211, 242
, a New One..

253
Electricity, on a Peculiar Class of Phenomena in.. 473
-, Theory of..

477
Pile, Influence of Interposed Pairs

57
Quantity and Intensity in..
Improvements in

210
Piles, Historical Sketch of

363, 422
Analysis of ..

427
Light, Produced by Coke or Cinder ..

416
Pile..

..371, 487

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74

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Weekes, W. H., Esq., &c., his Register of Atmospheric
Electricity..

76, 119
Whartman, Professor

26
Whirlwind

499
Williams, Charles Wyne, Esq., on the Evaporative Power of
Steam Boilers

58, 161
· Williams, Mr. Octavius, on a Self-Regulating Feeding Appa-

ratus, an Alarum, and a Water Indicator for Steam
Boilers. .

237
Wilson, Mr. William, on Electricity by Contact

423

512

ERRATA.

Page 22, line 6, for "as 2:4 15•35,' read “as 2-4 to 15.25.'

23, 17, dele the last r in "heterogenerity.”.
26, 17, for multiplies " read "multiplier."
80, 28, crusis,"

" " crucis."
81, 5, do do.
84,

41, “fig. 1,” “ fig. 4."
10,

fig. 1, plate 4,” read “fig. 6, plate 3.".
21, uninsulating,

," "uninsulated.” 251,

finished," furnished." - 251,

18, #odischarging," "charging." - 25), 29, dele “and.”

36, for “are," read“ is."

87, - 174,

10,

330,

OMISSION.—The following note ought to have been inserted at the bottom of page 145:

“Mr. Joule's electro-magnet appears not to be known to Professor Pfaff.”—Poggendorff.

DIRECTIONS TO THE PLATES. The four plates headed “Annals of Electricity," are respectively illustrative of Mr. Griffin's paper, page 1 ; Mr. Joule's paper, page 302; Mr. Sturgeon's papers, page 225 ; and Mr. Joule's paper, page 219. The binder ought to place these four plates together, in the order of their numbers.

The six magnetic maps belonging to Messrs. Lovering and Bond's excellent paper, happen to be numbered as they appeared in the original ; but they cannot be mistaken, and will, therefore, cause no confusion. They ought not to be separated in the binding. The other two plates, for which the Editor has to acknowledge his obligations to the Council of the “ Society of Arts,” for their kindness in permitting the impressions to be taken from the original copper plates, necessarily bear the numbers of those plates. The heading is sufficient to guide both the binder and the reader.

LEICESTER, PRINTER, MANCHESTER,

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