168 
GENERAL INDEX 
Gas-lighting by electricity, Prof. W. B. 
Rogers on an invention by Mr. Corne¬ 
lius for, 1864, 40 
- for lighthouses, a new application 
of, J. R. Wigham on, 1878, 436 
-measure of a, A. V. Harcourt on the 
aerorthometer, an instrument for cor¬ 
recting the, 1882, 499 
* -the measurement of, G. Glover on 
instruments for, 1864, 186 
-motor and cold air machine, a com¬ 
bined, J. J. Coleman on, 1882, 678 
.- permanent, the production of, from 
paraffin oils, Dr. S. Macadam on, 1884, 
680 
-testing of illuminating, Prof. W. B. 
Rogers on apparatus and processes for 
the chemical and photometrical, 1861, 
39 
-the velocity of explosions in, H. B. 
Dixon on, 1882, 487 ; 1884, 688 ; 1885, 
905 
Gas-batterv, W. Symons on a new form 
of, 1863," 56 
-Prof. W. Ramsay on some actions of 
a Grove’s, 1885, 965 
Gas-burners, J. J. Griffin on the construc¬ 
tion of, for chemical use, 1861, 81 
Gas-condensing machine for the lique¬ 
faction of gases by combined cold and 
pressure, J. J. Coleman on a, 1876, 63 , 
220 
*Gaseous compound of fluorine and phos¬ 
phorus, a new, Prof. T. E. Thorpe on, 
1875, 45 
-fuel, J. E. Dowson on, 1888, 805 
-the liquid, and the solid states of 
matter, Prof. J. Thomson on relations 
between the, 1872, 24 
Gases, Dr. R. Angus Smith on the ab¬ 
sorption of, by charcoal, 1868, 44 
--absorption of, by liquids, Dr. N. de 
Khanikof on the, 1867, 34 
- cohesion of, James Croll on the, 
1862, 21 
--combustion of, under pressure, Prof. 
E. Frankland on the, 1868, 37 
-combustion of, H. B. Dixon on the 
incomplete, 1884, 671 
* -condensation of, hitherto called 
permanent, Prof. J. Dewar on the, 1878, 
517 
* -condensing, a new apparatus for, 
by contact with liquids, by Prof. Lunge, 
1887, 640 
-effect of great pressures combined 
with cold on the six non-condensable, 
Dr. T. Andrews on the, 1861, 76 
-the emission and absorption of rays 
of light by certain, Dr. J. H. Gladstone 
on, 1861, 79 
-- evolved by the Bath spring called 
King's Bath, Prof. A . TV. Williamson on 
the composition of the, 1865, 381 
*Gases, latent heat of, J. Dewar on the, 
1874, 22 
* -liquefied, Dr. Dewar on the latent 
heat of, 1874, 57 
-measurement of, as a branch of 
volumetric analysis, Dr. W. J. Russell 
on the, 1869, 74 
-the preservation of, over mercury, 
H. B. Dixon on, 1886, 583 
* -preservation or disengagement of, 
Maxwell Lvte on an apparatus for the, 
1864, 32 
- reciprocal action between plants 
and, R. Garner on the, 1863, 113 
- the specific resistance of, at different 
pressures, and the specific inductive 
capacity of a good Sprengel vacuum, 
preliminary report of the Committee for 
accurately measuring , 1890, 197 
-spectra of, G. J. Stoney on the cause 
of the interrupted, 1870, 41 
- existing in solution in rvell-ivaters, 
determination of the, 1869, 55 
* -held in solution by the sea-water 
of the Skagerack, recent investigations 
on the, by Dr. 0. Pettersson, 1890, 779 
-: thermal effects of elastic fluids, 
Dr. Joule and Prof. W. Thomson on 
the, 1861, 83 
- or vapours, John White on the 
means of passing unharmed through 
noxious, 1863, 125 
Gas-furnace, G. Gore on a new, for melt¬ 
ing gold, &c., 1863, 43 
*Gas-furnaces. regenerative, as applied to 
iron-works, C. W. Siemens on, 1863, 
192 
-and producers, S. N. F. Cox on Sie¬ 
mens’s regenerative, 1865, 177 
Gas-generator, C. J. Woodward on a form 
of," 1873, 66 
^'Gas-holder, a form of. giving a uniform 
flow of gas, Prof. Barrett on, 1876. 48 
Gas-lighting by incandescence, the Wels- 
bach system of, C. W\ Cooke on, 1886, 
823 
^Gaslights, quadriform, the value of, for 
lighthouses in comparison with the 
electric light, J. R. Wigham on, 1SS1, 
Si, 779 
Gas-liquor, F. Braby on extraction of 
ammonia from, 1869. 63 
*Gas-making, the employment of limed 
coal in, J. A. Wanklyn on, 1883, 471 
Gas-tubes, J. Pattinson on a deposit in 
the, of the Cleveland blast-furnaces, 
1863, 48 
Gas-works, J. Shuttleworth on the Man¬ 
chester, 1861, 240 
Gassiot (J. P.) on the deposit of metals 
from the negative terminal of an in¬ 
duction coil during the electrical dis¬ 
charge in vacuo, 1861, 3 S 
- account of Dr. Jacintho Antonio de 
