service-reservoirs, 136; effect of clay and loam on cement mortar, 136.-
Correspondence: Excess of estimated over actual demand for water, 198;
allowance for pumping-machinery, 199; reticulation carried out and in
progress, 199; price of water in Western Australia, 199; estimation of rainfall
199; various methods of designing reservoirs on the basis of yield, 200; per-
colation through underground fissures, 202; utility of catch-water drains,
202; calculation of flood-discharges, 203; design of the weir, 203; probable
future need for filtration, 203; steel pipes adopted after careful investigation
of other types, 204; comparative cost of work carried out at Lynchburg and
at Coolgardie, 205; cost of cast-iron pipes, 205; life of steel pipes, 205; cost of
locking-bar pipes, 206; method of jointing, 206; cost of caulking on the Cool-
gardie work, 206; loss by leakage, 207; value of asphalt lining for reservoirs,
207; reinforcement of the lining of Bulla-Bulling reservoir, 207; design and
capacity of pumping-plant, 207.
Papers, subjects for, 283; ditto received, 1904–5, 292.
Parsons, Hon. C. A., C.B., F.R.S., elected member of council, 261.
Pearson. See Atcherley.
Percy, N. C., admitted student, 210.
Permanent way. Hurley track-laying machine, 428.
Perrin, C. H., motive power obtained from Lake Joux, 462.
Picardo, A. J., admitted student, 210.
Piers. "Note on the Underpinning of the Piers in the Reservoirs of the Galatz
Waterworks, Roumania" (S.), W. M. Langford, 402.
Power, motive, obtained from Lake Joux, 462.
Premiums, medals and, awarded for the Session 1903-4, 280.
Priestley, A., B.Sc., admitted student, 212.
Pullinger, H. W., admitted student, 210.
Rafter, G. W.-Correspondence on Coolgardie Water-Supply: Yield of the
catchment-area, 185; conditions governing the ratio of yield to rainfall exem-
plified by statistics relating to certain river-systems in the United States, 186.
Rails, wave-like wear of, 429.
Railway, electric, Paris metropolitan, 427.
---yards, hump gravity, at Dewitt (New York Central and Hudson River
railroad), 431.
Railways, metropolitan, of Paris, construction of the, 426.
Ransom, W., elected associate member, 211.
Ransome, J. W., transferred member, 212.
Rattray, D. C., transferred member, 209.
Receipts and expenditure, abstract of, 272.
Reed, A. R., admitted student. 210.
Rees, R. T., elected member, 210.
Rennie, J. A., admitted student, 210.
Reservoir-piers. See Piers.
Reyval, J., Paris metropolitan electric railway, 427.
Richards, G. H., elected associate member, 211.
Roberts, T. W., admitted student, 210.
Rods, round, with clamped ends, buckling-strain tests on, 466.
Roll of the Institution, 265.
Ross, A., elected member,of council, 261.
Rousell, A. J., elected associate member, 211.
Rowe, J. B., elected associate member, 211.
Rutty, G. S. F., B.A., elected associate member, 211.
Sadler, H. W.-Discussion on Strengthening and Maintenance of Early Iron
Bridges: Defects in the design of early bridges, 230; comparative corrosion
of wrought iron and steel, 230; four examples of bridge-strengthening carried
out on the Great Northern railway, 231.
Saleit, M. A. F., admitted student, 212.
Samuelson, Right Hon. Sir Bernhard, Bart., P.C., F.R.S., memoir of, 418.
Sandberg, O. F. A., elected associate member, 211.
Sankey, Capt. H. R. See Chree. See also Internal-combustion engines.
Savile, L. H., Crampton prize awarded to, 280.
Schneider, E. T., admitted student, 210.
Schwabach, wave-like wear of rails, 429.
Scrutineers of the ballot for the election of the Council for the year 1905-6,
appointment of, 212; vote of thanks to, 262.
Scully, T. M., admitted student, 210.
Searing, L., springs on crushing-rolls, 450.
Seth, G., testing of boat-motors at the Northern Fishery Exhibition, 454.
Shaft-sinking by the jetting process, 444.
Shafting. "The Strength of Shafts subject to Small Forces rhythmically applied"
(S), C. Chree, Capt. H. R. Sankey and W. E. W. Millington, 371.-Longitudinal
vibrations, 376; torsional vibrations, 381.—Appendixes: Longitudinal vibra-
tions, 393; torsional vibrations, 397; method of obtaining formulas in the
Paper, 399.
Shannon, J., admitted student, 210.
Shepherd, P. E., elected associate member, 211.
"Shipbuilding for the Navy," Lord Brassey, 1.-Discussion: Sir G. L. Moles-
worth, President, 12; Lord Brassey, 12, 17; Admiral C. C. P. Fitzgerald ;
14, 19; Admiral Sir J. Hopkins, 17; Sir W. H. White, 18, 23, 31, 33;
Captain Stockton, 18; Admiral Sir E. Fremantle, 18; W. J. Harding, 22;
Prof. J. H. Biles, 29.-Correspondence: L. E. Bertin, 34; Admiral Sir N.
Bowden-Smith, 37; Sir John Colomb, 39; Col. V. E. Cuniberti, 41; Admiral
Sir J. Dalrymple-Hay, 42; Capt. T. Fujii, 43; H. G. Gillmor, 45; Rear-
Admiral G. W. Melville, 46.
Siemens, A., elected member of council, 261.
Sikes, H. L., B.A., B.E., admitted student, 210.
Simpson, W. H., elected associate member, 211.
Slater, N. B., admitted student, 210.
Sleeper, railway, Campbell concrete, 430.
Smart, D. L., admitted student, 210.
Smith, C. C., transferred member, 209.
C. W.-Correspondence on Coolgardie Water-Supply: Wisdom of providing
storage for 2 years, 192; estimation of the depth of the flood-discharge of the
weir, 192; his experience with coatings for pipes on the Sydney waterworks,
Snowdon, H., admitted student, 210.
Solly, J. B. T., elected associate member, 211.
Somach, H., worm gearing in electric tramcars, 465.
Spooner, C., admitted student, 210.
Stanton, T. E., D.Sc., Telford premium awarded to, 280.
Stedham, H. E., admitted student, 210.
Steel, aluminium, 452.
Steiger, A., Watt medal awarded to, 280.
Stephens, G. H., C.M.G., George Stephenson medal awarded to, 280.
Stephenson medal, award of, 280.
Stockton, Capt. C. H.-Discussion on Shipbuilding for the Navy: Advantage
possessed by large ships in respect of unity of command, 18.
Stoney, E. W.-Correspondence on Strengthening and Maintenance of Early Iron
Bridges: Methods adopted in strengthening girder-bridges on the Madras
Railway, 247.
Strain, J., elected member of council, 261.
Strange, W. L.-Correspondence on Coolgardie Water-Supply: Yield of the
catchment-area, 193; suggested methods of increasing the yield, 194; design
of the weir, 194; position of the outlet, 194; reinforced concrete mains, 195;
filtration of the water, 195; "sand-cuts," 195; storage-capacity of the service-
reservoirs, 195.
Students' meetings and visits to works, 269.
Svenonius, F., physical observatory at Vassijaure, Sweden, 469.
Swallow, L. H., admitted student, 210.
Sykes, J., admitted student, 210.
Tandy, J. O'B., transferred member, 209.
Tansley, G. E., B.Sc., elected associate member, 211.
Tantalum, production and properties of, 460.
Taylor, L. E., admitted student, 210.
Telegraph working, use of secondary batteries in, 463.
Telford medal and premiums, award of, 280, 281.
Tempest, P. C.-Correspondence on Strengthening and Maintenance of Early Iron
Bridges: Replacement of cast-iron bridges on the South Eastern and Chatham
system by wrought-iron or steel structures, 252; strengthening a bridge at
Lee built of wrought and cast iron, 253; Portland-cement paint for bridge-
work, 255.
Thomas, A., elected associate member, 211.
Thornycroft, Sir J. I., LL.D., F.R.S., elected member of council, 261.
Thorp, R. F., transferred member, 209.
Timber, suppression of, in the decking of modern suspension bridges, 437.
Torpedo-craft, influence of depth of water on speed of, 455.
Torrens, G. P., memoir of, 422.
Tower, B., memoir of, 420.
Track-laying machine, Hurley, 428.
Trains, railway, electric lighting of, 432.
Tramcars, electric, worm gearing in, 465.
Travers, J. L., admitted student, 210.
Tripp, W. B.-Discussion on Coolgardie Water-Supply: Liability of earthworks
for impounding water in arid countries to damage by burrowing animals, 118.
Trucks. See Wagons.
Underpinning reservoir-piers. See Piers.
Urie, D. C., admitted student, 210.
Unwin, Prof. W. C., B.Sc., F.R.S.-Discussion on Coolgardie Water-Supply: Use
of Venturi meters on the pipe-line, 106; reasons for the Commission's recom-
mendation to place the pipe-line above ground, 106; prevention of corrosion,
107; efficiency of the locking-bar pipe, 107; limited application and question-
able accuracy of Kutter's formula, 107; anomalous character of the results of
the New Jersey experiments, 108.-Elected member of council, 261.
Valbreuze, R. de, electric lighting of railway trains, 432.
Vollmer, G. F.-" An Example of Irrigation in the Arid Regions of the United
States," (S.), 363.
Wagons. High-capacity railway-trucks in France, 430.
Walker, L. D., elected associate member, 211.
Wallis, A. B., admitted student, 210.
Walton, G. F., admitted student, 210.
Warbrick, P., elected associate member, 211.
Water-supply. Coolgardie Water-supply," C. S. R. Palmer, 50.-History and
topography of the district, 50.-Scope and character of adopted scheme, 52;
its general outlines, 54.-The storage-reservoir: rainfall and yield of catchment-
area, 56; evaporation and logs from reservoir, 59; quality of the water, 60;
disposal of surplus flood-waters, 60.-Construction of the weir: preliminary
works, 61; foundations, 62; drawing-off and scouring arrangements, 63; cement
and concrete, 65.—The pipe-line: reasons for choice of locking-bar pipe,
70; coating, 74; joints, 74; manufacture of the pipes, 76; conveying, distri-
buting and unloading pipes, 80; joints, 81; excavation of the trench, 83;
laying and jointing pipes and filling in trenches, 81; charging the main, 86.-
The pumping-machinery: frictional resistance of pipes, 87; description of
machinery, 89; its efficiency, 90.-Pumping- and service-reservoirs, reticula-
tion, etc., 91.-Cost of the works, 95.—Appendix: Table I. Discharges of
catchment-basin of Helena river and of other streams, 97; Table II. Dis-
charge of streams entering Mundaring reservoir, January-August, 1903, 97;
Tables III.-IV. Rainfall and evaporation, 98; Tables V.-VIII. Analyses of
water, 99; Tables IX.-X. Analyses and tests of cement, 101; Table XI.
Analyses of soils, 102: Table XII. Tests of locking-bar pipes, 103; Table
XIII. Tests of sand briquettes, 103.-Discussion: Sir G. L. Molesworth,
President, 104; J. Carruthers, 104; Prof. W. C. Unwin, 106; Dr. G. F.
Deacon, 108; Dr. A. W. Brightmore, 112; M. Fitzmaurice, 114; C. Hawksley,
117; W. B. Tripp, 118; C. T. A. Hanssen, 118; Sir B. Baker, 120; C. S. R.
Palmer, 126.-Correspondence: Prof. J. C. Brown, 137; A. F. Bruce, 137;
F. Crowell, 139; W. Fairley, 141; A. P. Folwell, 142; J. H. Fuertes, 145;
C. E. Goument, 157; A. Hazen, 158; F. Herbert, 159; R. Hering, 161; H. C.
Hill, 162; J. W. Hill, 168; A. E. Hurse, 176; G. H. List, 177; C. F. Marsh,
179; A. B. Moncrieff, 181; G. W. Rafter, 185; C. W. Smith, 192; W. L
Strange, 193; G. B. Williams, 195; G. P. Williams, 196; C. S. R. Palmer, 198
Watson, J. D., transferred member, 209.
Watt, J. A., admitted student, 210.
medal, award of, 280.
Way, E., elected associate member, 211.
Webb, A. E., admitted student, 210.
Weekes, F. E., admitted student, 210.
Weintraub, E., mercury arc-lamp and rectifier. 460.
White, C. F., memoir of, 420.
Sir W. H.-Discussion on Shipbuilding for the Navy: Disadvantages of
wide distribution of armament, 23; advantages obtained by increasing the
size of vessels, 24; increase in size of foreign warships, 24; draught of battle-
ships, 26; questionable value of assumptions based on the possible future
performance of the incomplete "Vittorio Emanuele III," 26; criticism of the
design and performance of warships by "naval experts," 27; hazards of
under-water attack, 27; obsoleteness of the idea of ramming, 28; universality
of the tendency to increase the size of warships, 29.
Whitehouse, C. M. A., admitted student, 210.
Wightman, L. J., air-power in the quarry, 450.
Wilkinson, H. F., elected associate member, 211.
P., admitted student, 210.
Williams, A. C., elected associate member, 211.
C. W., admitted student, 210.
Sir E. L., elected Vice-president, 261.
G. B.-Correspondence on Coolgardie Water-Supply: Ratio of yield to
rainfall, 195; loss from evaporation and absorption, 196.
G. P.-Correspondence on Coolgardie Water-Supply: Boldness and
originality of the scheme as designed by Mr. O'Connor, 196; discharge
of catchment-areas in relation to rainfall, 197; possible loss from percolation,
197; questionable wisdom of the policy of installing the full pumping-power
at the outset, 197.
Wilson, C. J.—“ A Portable Apparatus for the Analysis of Flue-Gases" (S.), 407.
J.-Correspondence on Strengthening and Maintenance of Early Iron
Bridges: Illustrations of strengthening work carried out on the Great Eastern
railway, 255.
Wires, metallic, resistance of, for high-frequency currents, 458.
Witts, J., admitted student, 210.
Wolfsholz, A., injection of liquid cement to stop cracks and leaks, 467.
Wood, W. W., elected associate member, 211.
Worthington, E., B.Sc., transferred member, 212.
Wray, R. P., elected associate member, 212.
Wynne-Roberts, R. O., transferred member, 209.
Yarrow, A. F., elected member of council, 261.
Young, W. G.-Correspondence on Strengthening and Maintenance of Early Iron
Bridges: Composition and application of oil-paints and bituminous mixtures
for iron and steel structures, 255.
LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, DUKE STREET, STAMFORD STREET, S.E.,
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