INDEX TO VOLUME III. 



' METHODS. 



found in, 301 ; incandescence of, 

 how produced, 301. 



Methods of constructive practice, 

 French and English compared, 

 210. 



Metre, impediment, principal, to 

 adoption of, 320 ; and kilogramme, 

 importance of use of in this coun- 

 try, 320 ; legalized by Act of Par- 



" liament, 417. 



Metrical convention, laboratory of, 

 at Sevres, 421. 



Metrical measurement adopted in 

 scientific work, 320. 



Micrometer gauge, description of , 4 1 9 . 



Microphone, 205 ; application to 

 physiology suggested by Duke of 

 Argyll, 205 ; connection between 

 telephone,phonograph, and, 205; of 

 Hughes and of Edison, 267 ; letter 

 to Nature on, 205. 



Midland Institute, address of Sie- 

 mens, C. W., to, 273 ; educational 



process continued by, 290 ; past 

 presidents of, important positions 

 of, 273 ; value of bodies like, 280. 



Mild steel, ductility of, 143 ; elastic 

 limit of, 143 ; value of, 143. 



Hiller, reference to British Associa- 

 tion lecture, 85. 



Millstone, ancient contrivance, 83. 



Minimum school age, 280. 



"Mirror, instrument of, Thomson, Sir 

 W., 175. 



Mode of motion, heat, Tyndall's, J., 

 work on, 325. 



TVtodern steam engine, a steam meter 

 to empty boiler as quickly as 

 possible, 56. 



Molecular theory of gases, Clausius, 

 .Maxwell, C., and Thomson, Sir W., 

 reference to, 299. 



Moncrieff's, Capt, gun, 59. 



Morin, Gen., Conservatoire des Arts 

 et Metiers, director of, 212, 215 ; 

 report of on, Galton's, D., Capt., 

 fireplace, 96. 



NIELSON. 



Morse, telegraph inventor, reference 

 to, 74. 



Motive power, conveyance of, by 

 electricity, 235. 



Muirhead, J., duplex working, 326. 



Mushet's addition to Bessemer pro- 

 cess. 144. 



NATURAL forces, application of, 

 yielded to coal, 197 ; storage and 

 transport of, 197 ; utilisation of, 

 236, 243. 



Nature, agencies in, defined as 

 energy, 185 ; animate and in- 

 animate, mastery of man over, 



182 ; energy of, various forms of. 



183 ; (forces of, connecting links 

 between, Aristotle and Lord Bacon, 

 of, 183 ; origin and utilisation of, 

 182) ; principles of, of infinite ap- 

 plication, 65 ; workshop of, 358. 



Naval architecture, Barnaby's, N., 

 address on, reference to, 113. 



Navy, progressive views in construc- 

 tion of, 345. 



Nettlefold's application of regenera- 

 tive gas furnace to puddling iron, 

 155. 



Newcastle, seat of labours of Wood, 

 N., the Stephensons, Pattinson, 

 Armstrong and Bell, 160. 



Newcoinen steam engine, 232. 



Newton (paper by, on gaseous at- 

 mosphere in space, 299 ; history 

 of, 299 ; publication of, 299) ; 

 (views of ether throughout space, 

 300 ; absorption of, by sun, 300 ; 

 motion of, 300) ; views of, modern, 

 chemistry, as affecting, 300. 



Niagara Falls, energy of, equals total 

 coal consumption of the world, 

 136, 197, 235 ; (utilisation of, by 

 dynamo-electric machines, 136, 

 137; by turbines and water wheels, 

 136. 



Nielsen's hot blast, 192. 



