Glover, R. S., M.E., elected associate member, 191.

Goaves, escape of gas from, as a source of accidents in mines, 37 et seq.
Gold-bearing sulphides, the chlorination of, 557.

Goodman, J., Wh.Sc., elected associate member, 191.

Gostling, H. C., admitted student, 190.

Gostowski, Baron, R. von, on the number of brakes in railway trains, 502.
Gower, T. P.-Discussion on Electrical Tramways: Electrical traction on the
Elieson system on the Stratford line of the North Metropolitan Tramways,

253.

Grant, J. J., the milling-machine; its construction and uses, 539.

Greathead, J. H.-Discussion on Electrical Tramways: Cable traction in San
Francisco, as compared with electrical traction on the Bessbrook and Newry
tramway, 227.-Cost of a horse-power in London, 231.

Green, G. W., admitted student, 190.

Greene, W. H. M., elected associate member, 191.

Gresley, W. S.-Correspondence on Accidents in Mines: Efficacy of the water-
gauge as a colliery-warning indicator, 152.

Grove, F., admitted student, 190.

Gruson,

-

and Barbet, -, canal from Lens to La Deule, 515.

·Hall, H.-Discussion on Accidents in Mines: Best means of lighting mines, 106.
Hamer, W. H., admitted student, 190.

Hannaford, E. P., elected member, 191.

Hanscom, W. W., his review of the working of cable tramways in San Francisco,
214, 218, 219.

Harlacher, Prof. A. R., and H. Richter-" A Simple Method of Ascertaining the
Discharge of Rivers” (S.), 397.—“ Prediction of the Height of the Elbe in
Bohemia and Saxony," (S.) 400.

Harries, H., his views on the connection of barometric disturbances and explosions
in mines, 36.—Discussion on Accidents in Mines: Connection between colliery
accidents and barometric changes, 131.-List of colliery explosions coincident
with high barometer, 131.-Coal-dust explosions, 133.

Harrison, J., Wh.Sc., elected associate member, 191.

Col. R., C.B., C.M.G., R.E., elected associate, 192.

Hartley, Sir C. A., translation of a portion of a report addressed by, to the
European Commission of the Danube as to the Sulina mouth, 334.

Heating by means of the electric current, 577.

Hedges, K.—Discussion on Electrical Tramways: Storage-batteries for tramcars,

219.

Helson, C., the Savona ironworks, 548.

Hepplewhite-Gray lamp for miners, 136.

Hersent, H., the locks of Saint-Aubyn-Elbeuf, 516.

Hesse, Prof. F. G., analysis of a hydraulic step, 523.

Hill, H. A., elected associate member, 191.

Hillairet, A., Menge's automatic regulation of electric lighting circuits, 574.
Hirsch, --

spherical check-valve for steam-boilers, 536.

Hiscox, H., admitted student, 190.

Hobson, A. G., memoir of, 449.

Hohenegger, W., the economic value of iron and steel sleepers, 489.

Holt, A., his suggestion of plateways laid on the public roads for conveying
heavy traffic, 198.

Hopkinson, Dr. E.—“ Electrical Tramways: The Bessbrook and Newry Tram-
way," 193.-Discussion on ditto: Description of the rolling-stock, the auto-
matic gate-opener, and the overhead conductor employed on the line, 218.—
Storage-batteries versus the conductor system, 264.—Alleged non-applicability
of the Bessbrook system for long lengths of line, 266.-Different systems of
gearing for electrical motors, 266.-Power required in starting on the level
and on an incline, 267.-Power of accumulators, 267.-Cost of working the
Bessbrook line, 267.-Reasons for the weight of the Bessbrook motor, 268.-
Comparison of electrical haulage with the cable system as applied at San
Francisco, 268.-Cases where storage batteries were preferable to the con-
ductor system, 269 et seq.

Dr. J., his overhead conductor for electrical tramways, 203.—Dis-
cussion on Electrical Tramways: Description of his system of overhead con-
ductors, 247.-Alleged excessive weight of the Edison-Hopkinson dynamo,
250.-Comparison between accumulators and direct-transmission, 551.
Hopps, J. H., admitted student, 190.

House-refuse disposal.

Disposal Works." W. B. G. Bennett (S.), 310.

'Howe,” H.M.S., propelling-machinery of, 367 et seq.

Hughes, D. H., his invention of the microphone, 32.

Humble's blasting-plug for preventing blown-out shots in mines, 50.

S.-Discussion on Accidents in Mines.-Detaching-hooks for mine-

Hushavel's method of producing wrought-iron and steel direct from the ore,
550.

Hyde, Major-General H., R.E., memoir of, 462.

66

Hydraulic Appliances at the Forth Bridge Works." E. W. Moir (S.), 402.

cements. See Cements.

machinery, general introduction of, since 1837, 26.
step, analysis of a, 523.

"Imperieuse," H.M.S., propelling-machinery of, 367 et seq.

Indicators, tests of, at the Massachusetts Institute of Technology, 361.

Institution, progress of the, since 1837, 1.

Iron and steel, progress in the manufacture of, since 1837, 11.

550.

cast-, and steel, researches into the internal stresses of, 547.

on the molecular changes of, at high temperatures, 544.

wrought- and steel, Hushavel's method of producing, direct from the ore,

Ironworks, Savona, the, 548.

Irrigation in Egypt, 510.

Jack, A. J., elected associate member, 192.

James, C. C., elected associate member, 192.

James, H. A., transferred member, 190.

Jeejeebhoy, P. B., elected associated member, 192.

Jenkin, Prof. F., his Telpher line at Glynde, 233, 261.

Johnson, H. A., elected associate member, 192.

Johnston, J. M., elected associate member, 192.

Jones, C. E., admitted student, 190.

Jones, J. E., elected associate member, 192.
W. G,, elected associate member, 192.

Jordan, W. L., elected associate, 192.
Journals, high speed, lubricating, 537.
Joyner, R. B., elected member, 191.

Kalakoutsky, Gen. N., researches into the internal stresses in cast-iron and steel,
547.

Kapp, G.-Discussion on Electrical Tramways: Advantages of electrical traction
in obtaining the quick starting of cars, 240.—Advisability of introducing some
provision against racing, 241.-Compound-wound motor the most suitable for
general service, 242.-Cost of electrical working in London, 243.-Deter-
mination of the amount of energy required to propel cars, 244.

Keating, H., M.A., transferred member, 190.

Kincaid, J., Discussion on Electrical Tramways: Cars with flangeless wheels,
218.-Cable-tramways, 218.-Frankfort-Offenbach electric tramway, 219.
Kindermann, F., the connection between the heading-up due to weirs and the
surface-fall, according to measurements in the Nile, 518.

Kinzer, K., iron lifting-bridge at Königsberg, 479.

Kirk, A. C., introduction of the triple-expansion marine engine by, 21.

Klopp, G. O. H., admitted student, 190.

Knight, J. P., elected associate member, 192.

Knublauch, Dr., on the influence of lime and other minerals on the dry distil-
lation of coal, 529.

Kohn, --

the drainage of Charlottenburg, 524.

König, Dr. J., the present state of sewage-purification, 528.

Kosmann, Dr., non-explosive blasting-cartridge of, 58.

Kühl, C. H. L.

Laboratories.

"The Sulina Mouth of the Danube" (S.), 329.

"Note on the Government Testing-Works at Malines, Belgium,"
E. J. Roussel (S.), 392.

"Notes on the Engineering Laboratories of the Massachusetts
Institute of Technology," Prof. G. Lanza (S.), 347.—General description of the
laboratory and its appliances, 347.-Mode of working, 355.-Mechanical
engineering laboratory: Boiler tests, 358.-Primary and superheating, 359.-
Steam-engine tests, 359.—Testing indicators and gauges, 361.—Friction-
brakes, 361.-Transmission of power by belting, 362.-Test of steam-injectors,
365.-Theory of structures, 365.

Lake, W. G. W., admitted student, 190.

Lamps, safety-, miners', 63 et seq.

the Catrice apparatus for re-lighting, 543.

Lane, G., elected associate member, 192.

Langenhove, R. van, aluminium and its alloys produced by the electric furnace,
560.

Lanza, Prof. G. "Notes on the Engineering Laboratories of the Massachusetts
Institute of Technology" (S.), 347.

La Roche, C. A., admitted student, 190.

Lawson, J. I., elected associate member, 192.

Lead, the desilverizing of, at Freiberg, 555.

Le Chatelier, H., a new alloy of aluminium, 563.-The constitution of clays, 468.

Ledeboer, P. H., heating by means of the electric current, 577.—On the employ-

ment of dynamos in telegraphy, 567.

Lefebure, E. E., elected associate member, 192.

Leigh, H. H., elected associate member, 192.

Leonhardt, F., the age of locomotives on the normal-gauge railways of Germany,
498.

Lever, E., M P., prize of £500 offered by, for a miners' safety-lamp, 65.

Liegel, G., results of experiments on the construction and working of retort-
furnaces, 531.

Lifting-bridge. See Bridge.

Lighthouses, electric, 33.

Lime, influence of, on the dry distillation of coal, 529.

Lineff, A. L.-Discussion on Electrical Tramways: Insulation of the conductor
of the Bessbrook and Newry line, 233.-Professor Fleeming Jenkin's telpher line
at Glynde, 233.-Cost of horsing tramcars in London, 234.-Results obtained
by cable-traction in Chicago, 235.—Comparison of the transmission of electrical
energy by overhead conductors, underground conductors and storage batteries,
236.-Probable advantages of working the London underground railways by
electricity, 239.

Litster, D. M., elected associate member, 192.

Locks, the, of Saint-Aubin-Elbeuf, 516.

Locomotives, age of, on the normal-gauge railways of Germany, 498.

-

fuel, petroleum as, on the elevated railroads of New York, 499.
in 1837 as compared with 1887, 5.

-stock of the Bengal and North Western Railway, 342.

Loir, E., speed of surveying with the tacheometer, 283.

Longden, J. A.-Correspondence on Accidents in Mines: Use of safety-hooks at
the Blackwell collieries, 153.—Diminution of the percentage of deaths from
falls of roof and sides, 153.-Limits to the use of mechanical coal-getters, 154.
-Advantages of the long-wall system of mining coal, 154.-Difficulty of
lighting mines by electricity, 155.-Explosions of coal-dust, 155.

Lorenz, Prof. A., the datum point in railway sections, 484.

Low, T. B., memoir of, 450.

Lubrication of journals. See Journals.

Lunge, G., on a proper estimate of the value of water-gas, 532.
Lunt, J,, elected member, 191.

Lupton, Prof. A.-Discussion on Accidents in Mines: Work of the Royal Com-
mission on Accidents in Mines, 86.-Evils of over-legislation on mines, 87.-
Accumulations of gas in goaves as a source of danger, 87.-Decrease in fatal
accidents since 1856, 88.-Safety-lamps, 89.-Coal-dust explosions, 90.-
Damping of mine-ways, 91.

McCallum, J. B., transferred member, 190.
MacLellan, W. T., admitted student, 190.

McNab, Dr., his suggestion of water-tamping for blasting in fiery mines, 54.
Malcolmson, J. W., Wh.Sc., admitted student, 190.

Mallard and Le Chatelier's observations on the influence of coal-dust in mine
explosions, 41, 47.

Malleable-iron, adoption of, since 1837, as a material for the construction of
bridges, 9.

Manfroni freezing apparatus, the, 541.

Manners, C. R., transferred member, 190.

Marreco, Prof., experiments at the Newcastle Physical Science College on the
explosion of fine coal-dust, 134.

Marriner, W. W., admitted student, 190.

Martin, H. R. H., memoir of, 451.

J. E., elected associate member, 192.

W. R., elected associate member, 192.

Masayuki, O., M.E., elected associate member, 192.

Massachusetts Institute of Technology, engineering laboratories of the, 347.

Matthieu, H., consumption of sleepers on railways in France, 485.

Mauclerc's fire extinguisher, 582.

Maughan, J. A., elected associate member, 192.

Maxwell, W. H., memoir of, 467.

Mazzetti, L., the calcination of calamine in Sardinia, 559.

Meade-King, W. O. E., elected associate member, 192.

Measures, weights and, report on, 581.

Menge's automatic regulation of electric-lighting circuits, 574.
Mercier's safety-lamp, 71.

Meteorological observations at Sulina, 340.

Michelier, -9

the Orédon reservoir, 519.

Microphone, the, 32.

Millar, W., memoir of, 452.

Miller, F. J., drilling holes, 538.

W. A., admitted student, 190.

Milling-machine, the: its construction and uses, 539.

Millington, J. S., admitted student, 190.

Miners' safety-lamps, 63 et seq.

Mines, accidents in, 36 et seq.

sulphur, of Sicily, probable duration of the, 564.

Mining, exhibition of safety appliances in connection with, 186.

Mitchell, J., experiments of, on miners' safety-lamps, 64.-Transferred member,
190.

Moinot, I., adoption of the tacheometer by, 287 et seq.

Moir, E. W.-“ Hydraulic Appliances at the Forth Bridge Works” (S.), 402.
Moore, R., elected member, 191.

Morgan, J. B., elected associate, 192.

Morgans, W., his views of the causes of firedamp explosions in mines, 37.-
Discussion on Accidents in Mines: Testing of safety-lamps, 99.-Coal-dust
explosions, 99.-Accumulation of gas in goaves, 100.-Firedamp-and-dust
explosions, 103.

Mosley, Col. P.-Discussion on Accidents in Mines: The lime-cartridge, 105.
Morse recorder. See Recorder.

Motive power, the transmission of, by electricity, 572.

Mueseler miners' lamp, the, 67 et seq.

Müller, Prof. A., the effluent from the Berlin sewage-irrigation works, and its

effect upon the water into which it is conveyed, 525.

Mushet, R. F., his discovery of the effect of manganese on molten iron in the
Bessemer converter, 16.