Palmer, W. G., catalytic activity of copper, 44
Paris, world's market in, 119 Partington, J. R., periodic classifi- cation of the elements, 304 Pascal, Paul, synthetic nitric
Patents, new, 300, 312 Patterson, T. S., slight modifica-
tion in Victor Meyer's vapour density apparatus, 307 Peachey, S. J., new process for vulcanising rubber, 5 Periodic classification of the elements, 269 Perrier, J. and J. Bougault (See Bougault, J.) Petrunkevitch, Alexander,
Russia's contribution to science, 32, 39, 56, 67 Philips, C. and H. Copaux (See Copaux, H.) Phosphorus, spectra of absorp- tion of, for X rays, 268 Physical Society, 7, 202, 286 Pickering, S. F. and J. D.
Edwards (See Edwards, J. D.) Pickering, W. J., gas manufac- ture and chemical industry, 282
Pickles, Alwyn, distribution of
acetic acid between water and charcoal, 49
effect of pressure on gas ab- sorption, 1
velocity of sorbiton, 25 Poison, when is it not a poison? 37
Porter, Everett E. and Harry B. Weiser (See Weiser, H. B.) Portland cement and calcio cyanamide, 323 Portsmouth Municipal College,
K. Chesnut, odorous con- stituents of apples. Emana- tion of acetaldehyde from the ripe fruit, 129, 139, 147 Powers, large, generation
Rolfe, R. T., effect of increasing proportions of antimony and arsenic respectively upon the properties of Admiralty gun- metal, 155 at Rousseaux and Sirot, MM., nitrogen and phosphoric acid of wheat, 262 Royal Institution, 23, 228, 288, 311 Royal Photographic Society, Annual exhibition, 176, 179 Royal Society, 7, 42, 247, 262, 271, 295, 307 Rubber, permeability to gases,
radio frequencies, 63 Pressure and temperature, rela-
tion between, at the same level in the free atmosphere,
Price, A., Victor Meyer's appara- tus, 249 Profiteering Acts, Central com- mittee, 60
Profits, are they necessary?, 11
from stannichloride, 239 modification of Skraup's synthe- sis, 205
RADIATION and convection
from heated surfaces, 8 in hydrogen and air explosions, 248
ionisation and excitation of, by by electron impact in helium, 286
Radio frequencies, generation ot large powers at, 63 Radio-active elements, constitu- tion and structure, 243 Radiometer, modified form of,
dissolved in, 13 Ramaiah, Y. V. and M. V. N.
Swamy, new form of ozoniser for laboratory work, 193 Rankine, A. O., proximity of atoms in gaseous molecules,
similar ty between carbon dioxide and nitrous oxide, 272
Rat extermination in the United States, 167
Rayleigh, Lord, double refraction
and crystalline structure of silica glass, 307 re-examination of the light scattered by gases in respect of polarisation, 42, 248 Redgrove, H. Stanley, "Bygone Beliefs" (review), 46 Refractometer for determination of liquid measures, 273 Relativity, 239, 277, 298 Research, scientific and industrial,
annual report of the commit- tee of the Privy Council, 169 Richards, Theodore W. and
Norris F. Hall, melting points and thermo-electric behaviour of lead isotopes, 185 Richards, Theodore W. and
Jitsusaburo Sameshima, ato- mic weight of lead from a Japanese radio-active mineral
Richardson, L. F., convective
cooling and the theory of dimensions, 9 Richardson, O. W., emission of
electrons under the influence of chemical action, 272 Ridewood, W. G., calcification of the vertebral centra in sharks and rays, 262 Ringelmann, M., selecting oil cakes, 323 Road transport progress, 179 Robertson, Sir R., physics and
chemistry of colloids and their bearing on industrial questions, 313
Robson, H. C., converting high- grade matte in magnesite- lined converters, 297
Soderbaum, H. G., The Letters of Berzelius" (review), 22 Sodium hyposulphite and ful- minate of mercury, reactions between, 298
Sodium phosphide, 104, 177 Solutions, influence of ions on osmotic pressure of, 64 Sorbiton, velocity of, 25 Southcombe, James E. and Henry
M. Wells. (See Wells, H. M.) Spain, potash deposits in, 48 Spectra, arc, in vacuo, and spark, in helium of various elements 43
of absorption of phosphorus for X rays, 268
of luminous gases, effect of concentration on, 308
of samples of mercury, copper, zinc and thallium in the extreme ultra-violet, 298 spark, of various elements in helium in the extreme ultra- violet, 43
Temperature and pressure, rela- tionship between, at the same level in the free atmosphere, Thain, W. A., some applications of electro-deposition in aero- nautical engineering, 309 Thallium spectrum in the extreme ultra-violet, 298 Theobromine estimation, 297 Thiel, A., an alleged allotropic form of metallic lead, 287 Thomas, H. H., and A. F. Halli- mond, a refractometer for the determination of liquid mix- tures, 273 Thomas, J. S. G., electrical hot- wire inclinometer, 8 Thyroid-feeding and thyropara- thyroidectomy, effect upon the pituitrin content of the posterior lobe of the pituitary, the cerebro-spinal fluid and blood, 295 Tidal friction in shallow seas, 43 motion in the Irish Sea, 44 Tin, atomic weight, 3 estimating, volumetric methods
alloys, WADSWORTH, Raymond V., Wells, Roger C., note on bran- Wood, R. W., extension of the
estimation of theobromine,
Tin antimony - copper constitution and structure, 155 Titanium and its industrial appli- Wages and prices, future of, 226 cations, 287 Wahi, Wm. H. and Wm. T. white industry, Norwegian, 306 Tomkinson, E. sodium phos-
phide, metallic hydrides, 177 Tomkinson, E. and G. Barker, sodium phosphide, 104 Trade, the trend of, 11 Tram waggons, automatic count- ing machine for checking, 296 Tree, Katoka, 322 Tungsten, 10
mining in China, 6
VALENCY and ionisation, 83
Vapour density apparatus, Victor Meyer's, modification, 307 Vegetable tanning materials, true tanning value of, 90 Vibrations of an elastic plate in
contact with water, 247 Vickers Limited, brass foundry practice at, 153
Brannt. (See Brannt, W. T.) Water and charcoal, distribution
of acetic acid between, 49 samples, apparatus for collect- ing at great depths, 297 Waters, soft, of central New York, 25 Waterhouse, E. F. and W. R. Schoeller. (See Schoeller, W.R.) Wave-length determinations,
effect of asymmetry on, 308 Wax, Carnauba, 322 Weeks, H. B.,, brass foundry
practice at Messrs. Vickers, Limited, 153 Weirum, H. F., magnesite and Shell-making, 203 Weiser, Harry B. and Everett E.
Porter, spontaneous evapora- tion, 80 Wells, Henry M. and James E. Southcombe, lubrication and the germ process, 133
West, Gilbert D., modified form of Crookes radiometer, 126 Whales, diatoms on the skin of,
Wheat, nitrogen and phosphoric acid of, 262
Wilde-Barfield electric furnaces, 215
Williams, A.M., forces in surface films, 273
Williams, H. G., ammonia-soda process, 295 Wilson, E., measurement of low
magnetic susceptibility by an instrument of a new type, 308 Wilson, John Arthur, hydration
as an explanation of neutral salt effect, 74 Wilson, John Arthur and Erwin J. Kern, true tanning value of vegetable tanning materials, 90
Winslow, Alfred A., development of kauri gum industry in New Zealand, 52
Balmer series of hydrogen and spectroscopic phenomena of very long vacuum tubes, Woolcock, W. J. U., dyes and the textile industry, 284
Xrays, spectra of absorption of phosphorus for, 268
YOUNG, J. F. T., J. C. Mc- Lennan and H. J. C. Ireton (See McLennan, J. C.) Young, Sydney, appointment, 23
ZINC, allotropy of, 167 Zinc spectrum in the extreme ultra-violet, 298
Zinc sulphate solutions, com- mercial electrolysis of 309 Zirconium in zirconia ore, deter- mination, 194
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