INDEX TO VOLUME III. 



447 



EADIANT HEAT. 



gaseous compounds, Tyndall, J., 

 on, 304. 



Radiant heat, Tyndall, J.'s, work on, 

 104. 



Ka.liomcter, Crookes" reference to, 

 B54. 



Railways, engineering works conse- 

 quent on, 58 ; for heavy traffic 

 and high speeds, 58 ; for hilly 

 country, 59 ; superseding high- 

 ways and canals, 58 ; for unculti- 

 vated countries, 58. 



Rankine, W. J. M., air engine, paper 

 on, read before British Association 

 in 1854, 104 ; energy, researches 

 on reference to, 105 ; heat and 

 mechanical energy, relation be- 

 tween, reference to, 325 ; heat, 

 theory of, reference to, 105 ; (re- 

 marks on, 83 ; characteristics 

 moral and social of, high, 84 ; 

 engineer, consulting, and mechani- 

 cal, 84 ; Gordon, Prof. L. D. B., 

 succeeded, in chair of engineering 

 at Glasgow by, 84 ; investigations 

 published of, 84 ; matter, constitu- 

 tion of, researches into, 84 ; works, 

 standard, of , on engi neering science, 

 84). 



Rayleigh, Lord, and Siemens, W., 

 mercury unit, determinations of 

 compared, 324 ; and Sidgwick, 

 Mrs., ohm, determination of, 324, 

 416. 



Reaumur, reference to, 210 ; steel 

 produced by in 1722, 138, 140. 



Refrigeration, fuel and labour con- 

 sumed in, 63. 



Regeneration of sun's heat upon its 

 surface, 103. 



Regenerative gas burner, Siemens's, 

 C. W., description of, 252 ; heating 

 air by conduction in, 251. 



Regenerative gas furnace, ad vantages 

 of, 111, 158; Bessemer, Sir H., 

 alludes to, 254 ; economy of, in- 

 creases with temperature of work, 



REGENERATOR. 



Ill ; Elswick gun factory, appli- 

 cation successful at, 158 ; exten- 

 sion, rapid of, 167 ; glass melting 

 in, 111 ; heating chamber of, r.H ; 

 improvers, pseudo of, 156 ; intense 

 heat, for production of, 159 ; iron 

 puddling and reheating in, 111 ; 

 metallic operations, advantages of, 

 for, 61 ; Siemens, C. W. and F., in- 

 ventors of, 193, 253 ; steel melting 

 and reheating in, 111 ; substitu- 

 tion of, for ordinary, 157 ; at Wool- 

 wich Arsenal not designed by 

 Siemens, C. W., 158, 293. 



Regenerative gas and coke grate, 

 advantages of, 240 ; (with cast- 

 iron Jieating arrangement, 249 ; 

 inclined plate of, 249 ; ordinary 

 grates, adaptation of to, 249) ; 

 (with copper heating arraiujnnritt, 

 247 ; consumption of gas and coke 

 in, 248 ; cost of compared with coal 

 fire, 248) ; method of using, 240. 



Regenerative steam-engine, diffi- 

 culty, practical, of, 107 ; Ericsson's 

 reference to, 190 ; (Siemens'g, C. W., 

 accidents to, 5 ; conception of, by, 

 in 1845, 106 ; constructed in 1846 

 by Hick, B., & Son, 106 ; cylinder, 

 regenerative, relative to working, 

 diminution of, 5 ; heating appa- 

 ratus of, 4 ; ideas, leading, of, 

 attempted to be realised in, 106 ; 

 interest in by best engine 

 builders, 6 ; for marine engines, 6 ; 

 mechanical inconveniences of, 3 ; 

 principle of, gradual recognition of, 

 3 ; reference to, 190 ; regenerative 

 cylinder of, improvements in, 4, 

 5 ; Societe Anonyme Continentale 

 for introduction of, 3 ; stationary, 

 designs of, 6 ; success of, on 

 what dependent, 6). 



Regenerator, Siemens's, C. W., defini- 

 tion of, description of, 1 94 ; economy 

 of, proofs of, 195 ; efficiency of. 

 experiments regarding limits of, 



