CORRESPONDENCE-

Accumulater installations, by W. J.

Boult, 683

Accumulators at the Paris Exhibition,

by P. Bedford Elwell, 516

American correspondence, by "Das Tele-

phon," 543

patents, by J. E. Pickering, 196

Alternate current working, by Chas.

Zipernowsky, 196

Automatic electric railway lamps, by

H. J. Dowsing, 56

Barking Road electric cars, by Th.

Frazer, 112

Cable making, by Henley's Telegraph

Works Company, Limited, 682

Cheap telegraphy, by Linckens, 196

Coad's primary battery, by Mann and

Taylor, 280

Coal consumption in central stations, by

Robt. Hammond, 432

Compound winding case, by S. P.

Thompson, 56

Continental items, by C. Neilson,
Copper steam pipes, by W. Stepney
Rawson, 223

Curve of a Westinghouse machine, by
J. Swinburne, 252
Dynamometers, by Gerald F. Percival,

South of England Telephone Company,

Limited, 19, 535

Swan United Electric Light Company,

Limited, 535, 560

Taunton Electric Light Company, Limi-
ted, 506

Telephone Company of Austria, 132

United River Plate Telephone Company,

Limited, 132, 156, 184

United Telephone Company, 18

West African Telegraph Company, Li-

mited, 19

Western and Brazilian Telegraph Com-

pany, Limited, 534, 561

West Coast of America Telegraph Com-

pany, Limited, 45

West India and Panama Telegraph Com-

pany, Limited, 535, 561

Woodhouse and Rawson, Limited, 535,
561, 562

Club lighting, 503

Come one, come all! 182

Commercial education, 297

Communication with the Cape interrupted,

41

light vessels, 114
Communications from Austro-Hungary,
496, 576, 645

Compound winding case, 1

Condition of electric lighting in Buda

Pest, 32

Contact electricity and the chemical theory
of the galvanic elements, 688

Contact electromotive force, 145, 222, 228

Continental notes, 7, 146, 201, 236, 258, 300,

339, 370, 440, 512, 520

Contribution to the management of pri-

mary batteries, 201

Contributions to the chemistry of storage

batteries, 481

Construction of motors, 721

Cook as an electrical engineer, 698

Copper mining in Ireland, 720

steam pipes, 170, 244

673

Co-Cative telephones, 602, 657

788, 721

268

ghting, 98

condescending, 158

404

by John Willis, 279

in the States, by Gus.

C. Landberg, 251

with storage batteries,

by A. Reckenzaun,

252

"Dead Heart," 674

Death of Sir Daniel Gooch, 449

Deaths from lightning, 215

Deptford Station, 613

Designing dynamos, 299

Destruction of electrical plant at Lynton,

214

Devonshire Club, 422

Dick, Tom and Harry, 501

Difference of potential of metals in contact,

606

Difficulty, A.. 357

Dire opponent of high tension, The, 697

Disputed electrical contract, 502

Dundee, 588

Duration of lightning, Study of, 6

Dynamo machines, Synthetic study of, 10,

64, 257, 381, 497

room accessories for intensity,

potential and resistance mea-

surements, by C. C. Haskins,

271

Dynamos at the Paris Exhibition, Notes

on, 36, 95, 121, 146

EDINBURGH Exhibition, 33,571, 131,

242, 297, 399, 420, 449, 501, 531,
557, 565, 614, 644, 646, 673, 721

Earthing devices, 721

Edison in London, 359

graph messenger, 504

Wire Rules, by Alexander P.
Trotter, 544

in Paris, 214

on Preece's views, 359

Edison's phonograph, 158

DECEMBER 27, 1889.]

Effect of the copper syndicate, 269

39

of placing a ball and point in a high

tension alternating current cir-

cuit, 175

Efficiency of the arc lamp, 273

of transformer system, 341

Eiffel Tower struck by lightning, 213

Electrically opening railway gates, 556

treated sewage, 41

ELECTRIC LIGHT-

Aberdeen wants, 419

another death from, wires, 697

Aylesbury, 328

Ayr and, 586

ELECTRIC LIGHT-continued.

Glasgow, 296

harbour defence, proposed for, 211

Hartlepools and the, 419

Hastings and, 530

for Hawick, 157

House of Commons, 267

Huddersfield, 241

in Hull, 477

iii

Theatre, 392

Falmouth, 295, 357

Fareham, 295, 327, 612

of Florence, 720

France, 69

v. gas, 174

in Germany, 477

Glasgow, 477, 671

at Govan, 450

Harrogate, 295, 448

Hastings, 43, 295, 418, 586

ELECTRIC LIGHTING-Continued.

at Tiverton, 586

for theatrical effects, 41

v. gas, 174

troubles in New York, 720

Ventnor, 531

of the Washington Navy Yard, 448

in the West, 41

wanted in Manila, 698

of Wigan, 500

Use of high tension currents in, 642

Windsor, 586

at Windsor Castle, 720

in Woolwich, 645

Worcester and, 420

in Brussels, Distribution of, 607

in an emergency, 674

Chelsea Supply Company, 589

Cheltenham and supply of, 557

Comparative cost of, and gas, 287

Country house lit by, 477

Execution by, 238, 330, 423

First tunnel lighted by, 589

and the forthcoming railway congress, 14

and gas in Liverpool, 210

in America, Vagaries of, 646

on gas shares, Effect of, 614

for gas men, 100

in German railways, 698

in gynæcology, 493

at Henley, 39

Horse grooming by, 70

in Inverary Castle, 646

Killing by, 674

Lighting a mill by, 586

Production of motive power from, 633

in Piccadilly, Supply of, 614

and the Mormons, 587

to railways, Report of applications of,

by M. M. E. Sartiaux, and Z.

Wiessenbruch, 611, 633, 660

in the Russian Navy, 557

Seeing to a distance by, 609

St. Pancras Vestry and, 697

in South Yorkshire, 579

Lighting in Liverpool, 720

of Manchester by, 157

trains by, 228

دو

دو

in Mexico, 455

Electro-Harmonic Society, 298, 328, 505, 532

motor in South Africa, 360

prize. 587

39

Electrolysis of distilled waters, 116

Electro-physiology and therapeutics, 449

393

Electrolytic polarisation by metals, 279

Electropathic quackery, 13, 329, 505

E.M.F. curve of the Westinghouse dynamo,

213

Elliott Bros, Paris Exhibition, 395

Elmore copper, 647

HAS Accessories, 271

ASKINS, C. C., on dynamo room

Hats as telephone receivers, 672

Heating of conductors by electric currents,

by A. E. Kennelly, 640, 725

Heating of wires and lamp filaments, by
Gilbert S. Ram, 638, 668
Hedges, K., on precautions to be adopted
where a supply of electricity is
furnished by means of transfor-
mers, 321

Henley's Telegraph Works, 360
Hering vice-grip wire coupling, 38
Hertz's, H. M., experiments, 229

Higher Technical and Science School, 297

Holborn Board of Works and the Central

Railway, 697

Holden hydrometer, 664

Honours to members of the British Associa-

Legion of Honour, 531

Legislation wanted, 374

LIGHTING-

of Bognor, 554

699

Centennial International Exhibition,

Melbourne, 562, 591, 617

in Cumberland, 586

contracts wanted, 357

of Dover, 447

of Dublin, 268

Lights go out, The, 674

of Morcambe, 613

of Manchester, 672

Newcastle Assembly Rooms, 612

of omnibuses, 503

of Paddington, 646

of Parliament, 720

of public vehicles, 450

question at Maidstone, 98

of railway trains, 709

of Rochdale, 613

of St. James's Hall, 696

of Suffolk Fat Cattle Club, 695

of Tay Bridge, 695

of the "Three Towns," 559

of Vienna, 646

at Wimborne, 500

volts, 467

Mackay, John W., and his staff, 206

Madden, W. M., on units of measurement

of physical quantities, 635

Magnetic circuit, 213

leakage in dynamos, by Prof. H.
C. Carhart, 286
wells, 358

Malbrook s'en va't en guerre, 141

Maltese Lightning Commission, 558

Malvern lighting, 615

Management of primary batteries, 243

Manchester Technical School, 269

Jubilee Exhibition, 722

Mansfield, G. W., on electric railways, 245
Manufacture of incandescent lamps, 70,
Manville, A., on series electrical traction,

351

Marcel Deprez and the electrical trans-
mission of power, 299

Margarine v. Bosh, 556

Margate and Westgate lighting, 615
Mare's nest, 449

Mason College Engineering Society, Bir-
mingham. 557

Maximum efficiency of incandescent lamps
for central station work, 265
Mechanical telephones, 479
Mechanics' Annuals, 697

Memorial to late Dr. Joule, 614
Meteorological congress, 99

phenomenon, 717

Methods of regulating accumulators in
electric lighting, by G. B. Prescott,
582, 621

Metropolitan electric lighting, 158

"

Electric Supply Company's

Report, 697

Military telegraphy experiments in France,

127

telephones, 101

Mill lighting at Chelmsford, 241,

fires, 721

Mining congress at Paris, 14

Institute of Scotland, 615

Miracle working, 393

Mix and Genest's portable military micro-

telephone, 105

Modern views with respect to the nature
of electric currents, 51

Money and the electric companies, 42

Mordey-Victoria alternator, 172

Moss Side local board, 70

vi

NEW COMPANIES-continued..

Fay, J. G., and Company, 451

Foreign and Colonial Electrical Power

Storage Company, 647

Fowler-Waring Cable Company, 183

Gas Consumers' Protective Association,

698

General Electric Company, 128

Hall Gas Company, 423

Hamilton, Griffin & Co., 360

Heathley, Janisch and Company, 699

Henley Telegraph and Electric Construc-

tion Company, 43

Hulett, D., and Company, 128

Irish House-to-House Electricity Co., 128

Johannesburg Electricity Supply Co., 215

Kingston-upon-Hull Electric Lighting

and Supply Company, 17

Lancashire and Cheshire House-to-House

Electricity Company, 16

Lange and Company, 559

Leicester Electric Light & Power Co., 17

Liverpool House-to-House Electricity

Company, 16

Silver and Copper Company,

Cambridge University and Town Elec-

tric Lighting Company, 675

Chelsea Electricity Supply Company, 44,

360

Mutual Electric Light and

Power Company, 648

Hamilton, Griffin and Company, 424

Henley Telegraph and Electric Con-

struction Company, 71

Hermite British Electro-Bleaching Com-

pany, 270

Humboldt Electric Power and Mining

Company, 451

Johannesburg Electricity Supply Com-

pany, 299

Julien Electric Company, 101, 616

Kay Brothers, 270

Kensington Court Electric Lighting

Company, 506

Kensington and Knightsbridge Electric

Light Company, 506

Keswick Electric Lighting Company, 560

Kingston-upon-Hull Electric Lighting

and Supply Company, 723

Laing, Wharton and Down Construction

Syndicate, 479

[DECEMBER 27, 1889.

OFFICIAL RETURNS-continued.

Lancashire and Cheshire Telephonic Ex-

change Company, 129