442 



INDEX TO VOLUME II L 



LLOYD'S. 



Lloyd's registry for .shipping, allow- 

 ance of 25 per cent, in scantling 

 on steel boilers and ships, 161. 



Loan Exhibition, mechanical sec- 

 tion of, address of Siemens, C. W., 

 to, 112, 



Local Government Board, dynamite 

 explosion at, 402. 



Local and private telegraph lines, 

 construction of, should be outside 

 telegraph department, 176. 



Lockyer, J. N., astronomical research 

 by, with dynamo-electric machine, 

 258 ; spectroscopic researches of, 

 103 ; in sun, on metalloids not 

 existable, 302 ; on velocity of 

 sun's vortex action, 298. 



Locomotive introduced by Steven- 

 son, a., 232, 



Logograph, Barlow's, 169. 



London, area of, how distributed as 

 regards buildings and open spaces, 

 377 ; electric lighting of, capital 

 required for, 377 ; visited by en- 

 terprising men more than any 

 other capital, 74. 



Longridge, deep-sea cable, paper on, 

 reference to, 20. 



Losses in heat applications, 62, 63. 



Love of country, 263 ; of family. 

 263 ; of home, 263 ; 'of master and 

 employed, 263. 



Liibeck, guilds system at, 388. 



Lubbock, Sir J. (British Associa- 

 tion address, comprehensiveness 

 of, 318 ; lecturer referred to, 85), 

 education, scientific and literary, 

 on necessity of combining, 276. 



Luminosity due to electrification by 

 gaseous friction, 308. 



MAGNETIC measurement, Gauss's, 

 321 ; Weber's, 321 ; poles, photo- 

 graphed cards of, 394. 



Magneto-electric current applied in 



MEASUREMENT. 



machines of Pixii, 395 ; of Holmes 

 and Alliance Co., 395. 



Magneto-electricity, Faraday's re- 

 searches in, 394. 



Magneto-electric machines developed 

 by Wilde, 396 ; maximum efficiency 

 of, as stated by Jacobi, 405. 



Mairan's explanation of zodiacal 

 light, 308. 



Malta-Alexandria cable, testing of, 

 41. 



Man, power of, to direct the forces 

 of nature, 183. 



Mansfield discovered benzine in coal 

 tar naphtha in 1849, 336. 



Marbach on heat of combination, 

 243. 



Marine boilers, firing of, 256 ; smoke 

 produced by, 256. 



Marine engine, consuming half coal, 

 used nine years ago, 82 ; improve- 

 ments, recent, in, 256 ; working 

 expansively, 256, 



Martin, P. & B.. steel made on open 

 hearth by, 141. 



Martin's, T., translation of Faust, 

 187. 



Material, waste of, 360, 364. 



Maudsley, mechanical puddling, re- 

 ference to, 149. 



Maury, Capt., hydrographic labours 

 of, reference to, 346. 



Maxim's incandescence lamp, 268. 



Maxwell, C., energy, researches on, 

 325 ; molecular theory of gases, 

 299. 



Mayer, energy, researches on, refer- 

 ence to, 325 ; heat, researches on, 

 88, 106 ; physical forces, identity 

 of, 184 ; sun's heat, hypothesis of 

 conservation of, 295. 



Measurement, ancients understood, 

 of length and volume, 116 ; astro- 

 nomy, art of, 116 ; cubical, 117 ; 

 (electrical, 120 ; applied science, 

 whether belonging to, 120 ; Thom- 

 son, Sir William, address on, 



