Hunt, A. E.-Correspondence on the Transmission of Power in Mining: Advan-
tages of aluminium as a conductor, 97.—Aluminium produce by the Pittsburg
Reduction company, 97 et seq.

Husband, J., elected associate member, 176.

Hutton, C. I., admitted student, 175.

Ice-breakers (ships), construction of, 431.-Danish ice-breakers and railway-
train ferries, 432.

Induction-motor, single-phase, 448.

Inglis, C. E., B.A., admitted student, 175.

J. C.-Discussion on Subsidence due to Coal-workings: Measures taken by
the Great Western Railway Company to cope with subsidence affecting their
structural works, 130.

Institution, roll of the, 3.-Examinations of the, 4.

Insulation and conduction (Part II.), 473.

James, V. M., admitted student, 175.
Johnson, C. C., admitted student, 175.

Johnston, C., admitted student, 175.

J., transferred member, 174.

Johnstone, A. H., B.A.I., elected associate member, 176.
Joint, flexible, for riveted framing, experiments on a, 375.
Jones, A, B., admitted student, 175.

G. L., admitted student, 175.

S. C., admitted student, 175.

Jumau, L., sulphating negatives in lead accumulators, 471.

Kapp, G., designer of the alternators used at the Sheba gold mine, S.A., 59 et
seq.-Correspondence on Transmission of Power in Mining: Reasons for adopt-
ing the 2-phase system in preference to the 3-phase system, at the Sheba gold
mine, 103.-Oil as an insulating medium for transformers, 104.
Kathode rays. See Rays.

Kay, S. R." The Effect of Subsidence due to Coal-workings upon Bridges and
other Structures," 114.-Discussion on ditto: Sinking in solid ground due
rather to pull than to actual subsidence, 146.-Behaviour of arches when the
equilibrium was destroyed, 147.-Nature of the most efficient support for
worked-out mines, 147.-Repairs of tunnels injured by subsidence, 148.-
Purchasing the unworked coal versus providing support by grids or draught-
board pillars, 148.-His formula for minimum radius of support, 149.-
Correspondence on ditto.-His formula for protection for subsidence, 171.—
Fayol's experiments with sand models, 171.-Inutility of pack walls as
generally built for preventing subsidence, 172.-Method of building the
wings and abutments of bridges separate, 173.-Extension of the area of
subsidence due to thick alluvial deposits, 173.

W. R., elected associate member, 176.

Kent, R. J., elected associate member, 173.
Kershaw, J. B. C., comparative cost of ozone, 472.

Ketteler-Helmholtz dispersion-formulas, 465.

Khudintzov, Capt., coals of the basin of Donetz, 418.

Kielbasinski, A., the use of jointed members in roof construction, 376.
King, H. W., admitted student, 175.

Kinsbruner system, the removal of house-refuse on the, 390.

Kirkaldy, W. G., elected associate member, 176.

Kirkpatrick, C. R. S,, elected associate member, 176.

Kohnstamm, P., and E. Cohen, cadmium standard cell, 440.
Kraus, J., elected associate member, 176.

Kussmaul, C., elected associate member, 176.

Lambin, A., and P. Christophe, the Vierendeel bridge, 379.

Langer, C., and Meyer, V., researches of, in connection with the extraction of
nickel, 31.

Lanino, P., electric traction on railways, 462.

Larmor, W. W., B.A., elected associate member, 176.

Latrille, electro-dynamic slit action, 465.

Laurie, A. S., admitted student, 175.

Leaf, E. H., B.A., elected associate member, 176.

—, H. M., B.A., elected associate member, 176.
Leake, H. C., elected associate member, 176.

Le Chatelier volumometer, the, 372.

Leech, C. A., admitted student, 175.

Legge, F. A., admitted student, 175.

Leitch, D. C., elected member, 176.

Lester, L. R., admitted student, 175.

Leugny, G., the ports and the maritime canal of Bruges, 384.

Lewis, J. S.-Correspondence on the Transmission of Power in Mining: Stationary
transformers and induction motors versus rotary transformers and direct-
current motors, 105.

Lifts, passenger-, air-buffer for, 410.

Light, electric. Development of lighting companies in the United Kingdom
and the United States, 18.

Lighthouse, Red Sand, at the mouth of the Weser, 239.

Locking-bar, electrical, 405.

Locomotive, compound three-cylinder, for the Jura-Simplon railway, 408.

-works." The Pahartali Locomotive- and Carriage-Works, Assam-
Bengal Railway." C. F. Bamford (S.), 212.

Longden, J. A.-Correspondence on Subsidence due to Coal-Workings: Mr.
Kay's formula for dimensions of protective pillar, 160.—Coal-workings occa-
sionally credited with damage resulting from quite other causes, 161.
Long-distance transmission. See Transmission.

Lynde, J. H.-Correspondence on Subsidence due to Coal- Workings: Precautions
taken by the Wolverhampton and Walsall Railway Company. 161.

McCay, S., B.E., elected associate member, 176.
McClean, F., oxygen in helium stars, 464.

F. K., admitted student, 175.

McDonald, J. A.-Discussion on Subsidence due to Coal-Workings: Defence of
the arch as a structure capable of resisting deformation from subsidence, 129.
T. J., admitted student, 175.

McDougall, D. A., admitted student, 175.

McGregor, W. S., elected associate member, 176.

Machine-design, the application of graphical interpolation in, 413.

MacLeod, H. T., admitted student, 175.

Makarov, Admiral C. See Runeberg.

Mansel, R., elected associate member, 176.

Mansergh, J., Vice-President.-Discussion on Subsidence due to Coal-Workings:
Opening remarks, 124.

Marchal, J., the influence of arsenic on the mechanical properties of steel, 425.

Margesson, H. S., admitted student, 175.

Martens, A., test of a wire rope 3 inches in diameter, 373.

Martin, H. D, memoir of, 349.

Mason, W., B.Sc., elected associate member, 176.

Masterton, H., memoir of, 367.

Matthews, T. L., admitted student, 175.

May, J.-Discussion on Transmission of Power in Mining: Details of the Sheba
installation, 90.

Medals and premiums, presentation of, 28.

Meier, M., the electric driving of accessory machinery in rolling-mills, 423.
Merricks, F., elected associate member, 176.

Mesnager, experiments on a flexible joint for riveted framing, 375.

Metals, deformation of, theory of, 457.

Meyer, V. See Langer, C.

Mills, F., elected associate member, 176.

Mines, deep, temperature in, 415.

-, gold-, Coolgardie, influence of electrical transmission on the cost of
production, 84.
Mining." Electrical Transmission of Power in Mining." W. B. Esson, 54.-
General condition of the application of electrical power in gold mines, 54.—
Sheba mine, Barberton, South Africa, 56.—Crushing machinery, 57.—Hydraulic
works, 58.-Generators, 59.-Conductors, 62.-Trausformers, 65.--Motors, 67.
-Nature of the load, 71.-Working, 72.-Discussion on ditto: W. H. Preece,
C.B., President, 75, 79; W. B. Esson, 75, 95; W. E. Ayrton, 77; G. Forbes,
81; W. H. Ravenshaw, 84; A. A. C. Swinton, 85; E. J. Ristori, 86; T. Parker,
86; A. Steiger, 88; W. R. Griffith, 90; J. May, 90; A. Siemens, 91; W. W.
Beaumont, 94.-Correspondence on ditto: C. F. Heathcote, 97; A. E. Hunt,
97; G. Kapp, 103; J. S. Lewis, 104; Dr. C. Sellers, 109; C. Weiss, 110;
W. B. Esson, 112.

Models, experiments with, to show the nature of subsidence of the soil, 145
et seq.

Molloy, A. J., elected member, 176.

Mond process for extracting nickel." The Extraction of Nickel from its Ores by
the Mond Process." W. C. Roberts-Austen, C.B., 29.

Mond, Dr. L.-Discussion on the Extraction of Nickel: Relation of the chemist
to the engineer, 47.-Instances where chemical affinity was more powerful
than electricity as a manufacturing agent, 47.-Treatment of the sulphur in
the ores, 52.-Commercial aspect of the Mond process, 52.

Monro, R. G., B.A., admitted student, 175.

Montessus de Ballore, F. de, the earthquakes of the United States, 436.

Moore, A. M., transferred member, 174.

E. W., admitted student, 175.

Morcom, N. A., admitted student, 175.

Morris, J. T., elected associate, 177.

Morrison's apparatus for power-conversion, 447.

Moser, R. C., admitted student, 175.

Motors, electrical. Standardizing of generators, motors and transformers, 448.—
Single-phase induction motor, 448.-Asynchronous motors, 449.

Murray, L., M.C.E., elected associate member, 176.

Napier, G., memoir of, 368.

Nariman, R. K., admitted student, 175.

Natalis, F., best arrangement of return feeders for traction, 456.
Neild, H. A., admitted student, 175.

Neilson, J., elected associate, 177.

Nesham, H. P., admitted student, 175.

Newell, T. M., transferred member, 174.

Newstead Abbey, precautions taken to avoid danger to, from the subsidence of
surface soil, 127.

Niagara Falls Power Company, 2-phase transmission system of the, 109.
Niblett, J. T., accumulator road traction, 454.

Nickel." The Extraction of Nickel from its Ores by the Mond Process." W. C.
Roberts-Austen, C.B., 29.-Property possessed by nickel of forming a volatile
compound with carbon monoxide, 29.-Nickel ores of Sudbury, Canada, 29.
-General description of the Mond process, 31.-Early experiments of
Drs. Mond, Langer and Quincke, 32.-Experimental plant at Smethwick, 33.
-Sequence of processes as followed at Smethwick, 36.-Plans for a manu-
facturing plant, 42.-Applications of nickel steel, 43.-Importance of the
Mond process in developing the resources of Canada, 44.-Discussion: W. H.
Preece, C. B., President, 45; W. C. Roberts-Austen, C.B., 45, 52; Dr. L. Mond,
47, 52; Col. J. Baker, 47; J. E. Stead, 48; G. Attwood, 49; R. A. Hadfield,
50; J. Bernays, 51; Sir F. Bramwell, 51.- Correspondence: T. Gibb, 52.
ores of Sudbury, Canada, 29 et seq.

Nissen, F. C., admitted student, 175.

Nott, W. H., admitted student, 175.

Observatory, Yerkes, Lake Geneva, Wis., U.S., steel dome for the, 383.
Oil-insulation in electrical mining machinery, 66 et seq.

Ommanney, G. G., admitted student, 175.

Ores, separation of, by magnetism, 419.

Oscillations, electrical, the multiple resonance of, 436.

Ostreicher, A. S., the application of graphical interpolation in machine-
design, 413.

Outeniqua mountains, railway over the. See Survey.

Owen, Capt. P. T., elected associate, 177.

Oxley, E., protection of three-wire system, 451.

Ozone, comparative cost of, 472.

Palmer, F., transferred member, 174.

Parker, C. H., elected associate member, 177.

T.-Discussion on the Transmission of Power in Mining: Reasons why
English engineers had not hitherto adopted the multiphase dynamo, 87.

W. A., admitted student, 175.

Parkinson, P. G., admitted student, 175.

Parshall, H. F., and H. M. Hobart, the sparking of commutators, 435.
Paterson, C. C., admitted student, 175.

-

Malcolm.-Correspondence on Subsidence due to Coal-Workings: Effect
of underground workings on tanks for two sewage works in the Calder
Valley, 162.

Murdoch, memoir of, 351.

Patton motor tram-car, 477.

Peach, C. E. C., B.A., admitted student, 175.

Pelissier, G., electric traction, 455.

Penn-Gaskell, P. C., admitted student, 175.

Perrott, S. W., B.A.I., elected associate member, 177.

Perry, W. R. V. P., B.A.I., elected associate member, 177.

Petroleum fuel for vessels of the Russian Navy and Volunteer Fleet, 433.

Pfluger, A., Ketteler-Helmholtz dispersion formulas, 465.

Phelps, G. I. de B., B.A., admitted student, 175.

Phillips, H. J., elected associate, 177.

Pieno, C., the Le Chatelier volumometer, 372.

Pietzka's new forms of heating-furnaces, 422.

Pipes.-" Stresses in Pipes bent at Right Angles caused by Heating to the Tem-
perature of Steam at various Pressures," T. Donaldson (S.), 283.

Platt, reconstruction of the railway bridge over the Rhine at Düsseldorf, 377.
Plumpton, J. D., admitted student, 175.

Pneumatic dispatch-tubes. See Tubes.

Pockels, F., currents measured by magnetization, 470.

Pohl, the electric lighting of railway post-wagons, 407.

Polarization and electrolysis, 441.

Port, Bremen, free, account of the, 225.

Preece, W. H., C.B., President.-Address on assuming the Chair for the first time
after his Election, 1.-Recent losses experienced by the Institution by the
death of several eminent members, 1.-Roll of the Institution, 3.-Examina-
tions, 4.-Technical ed ucation, 6.-Energy, 7.—Electricity, 8.-Lightning, 9.