450 



INDEX TO VOLUME III. 



SIEMENS, C. W. AND W. 

 166, 205207,219222,222225, 

 225226, 227,237241,241242, 

 291293, 313314, 315316 ; 

 Poole~ and Carpmael, visit to, 

 283 ; (regenerative gas burner, 

 252 ; gas furnace, 193, 253 ; steam 

 engine, 190) ; remarks of, 83 84, 

 108, 108109, 154155, 159160, 

 160162, 215216, 217218, 227 

 229 ; report of, 3 7 ; rotary fur- 

 nace, 150 151 ; secondary battery, 

 410 ; sheathing of deep sea cable, 

 13 ; speeches of, 2429, 263 

 265 ; Telford, medal awarded to, 

 ]((; iindertaker, visit to, 282; 

 Watt, proposed as unit of power. 

 411. 



Siemens, C. W. &, \V., electro-gilding, 

 introduction by, 282. 



Siemens, Brothers, benefit fund, 264 ; 

 funds supplied entirely by firm, 

 2fi4 ; pension on, what dependent, 

 264. 



Siemens dynamo machine, 400. 



Siemens, F. (regenerative gas burner, 

 251 ; gas furnace, 193, 253). 



Siemens, Martin, process, reference 

 to, 141. 



Siemens process, used by Whitworth. 

 Krupp, and at Terrenoire, 226. 



Siemens, W., alcoholmeter of, 122 ; 

 (armature of, 368 ; illustration of 

 application of, 396 ; inductive ac- 

 tion of, how increased, 395) ; desert 

 dust, electrification of, observa- 

 tion of, 308 ; duplicate telegraphy, 

 carried out by, 167 ; ((li/muim 

 electric principle of, 220, 397 ; 

 brought before Berlin Academy, 

 162, 163 ; original experiments on, 

 163) ; electric railways brought 

 out by, 330, 407 ; photometer se- 

 lenium of, reference to, 122 ; re- 

 sistance mercury, unit of, 33, 324 ; 

 rotative cylindrical mirror to 

 measure velocity of projectiles. 

 119 ; telegraph inventions, refer- 



SOCIETY OF TELEGRAPH ENGINEERS. 



ence to, 74 ; underground tele- 

 graphs introduced by, 328. 



Sleep and dreams, explanation of, 

 206. 



Smeaton's, J., Eddystone lighthouse, 

 reference to, 348. 



Smelting operations, fuel consump- 

 tion in, 97. 



Smith, B. L.. arctic expedition, re- 

 turn of from, 317. 



Smith, W., testing on board ship, 

 4:>. 



Smoke abatement exhibition, refer- 

 ence to, ;U58 ; importance of, 38(1. 



Smoke nuisance. smother name for 

 waste of fuel, 82, 364 : public 

 health, effect of on. 338 ; remedy, 

 effectual, of, 338 ; wjtr against. 

 262. 



Smyth, P.. on oxygen in outer solar 

 atmosphere, 311. 



Smyth, P., and Heischel, on gaseous 

 spectra in vacuum tubes, 31 1. 



Si'ciete d' Encouragement. 216. 



Soeiete des Ingenieurs Civils, 216 ; 

 Siemens. C. W., address as hono- 

 rary president of. 2(i(J. 



Society of Arts, address of Siemens, 

 C. W., to, 366 ; associated societies 

 of, almost daily meetings of. 366 ; 

 and British Association, difference 

 between. 366 ; presidents of, the 

 Prince Consort and the Prince of 

 Wales, 367 ; science introduced 

 into industry by, 367. 



Society of Telegraph Engineers, ad- 

 dress of Siemens, C. W., as presi- 

 dent, 64 ; advance of sketch of, 

 167 ; cosmopolitan in character, 

 68 ; constitution of, 66 ; invitation 

 to foreign telegraphic administra- 

 tions, 68, 69 ; library bequeathed 

 to, by Sir F. Ronalds, 167 ; library 

 should be kept up to date, 167 ; 

 London, seat for, 73, 74 ; measure 

 of usefulness of, on what depen- 

 dent, 66 ; members and associates 





