478 



INDEX TO VOLUME I. 



SURFACE CONDENSER. 



Surface condenser. See Condenser, 

 Condensation, Regenerative con- 

 denser. 



TABLE of comparative merits of 

 steam and air engines, 46 ; (of 

 experiments on expansion of 

 isolated atmospheric steam, 25 ; 

 with steam jet as a blower, 146, 

 and as an exhauster, 145) ; of 

 quantity of heat in steam, 18, 19. 



Temperature of combustion limited, 

 179, 203 ; of condensing water, 4 ; 

 of regenerative furnace, 67 ; of 

 regenerative gas furnace, 91, 96, 

 97, 180. 



Thomson on heat, reference to, 32. 



Total heat of steam. See Steam. 



Tresca, experiments with regenera- 

 tive steam engine, 162. 



UNIFORM rotation, 107 ; liquid in 

 rotation applicable to production 

 of, 112 ; obtained by Chronometric 

 Governor, 109. 



Unit of heat. See Heat, Joule. 



Ure's experiments on condensation, 

 14 ; on quantity of heat in steam, 

 19. 



ZEUNER. 



VALVE gear, Joy's reversing and 

 expansive, 173 ; best expansive. 

 174 ; perfect cut-off with, 174. 



Vegetable substances, combustion 

 of, 168. 



Vena contracta. for steam jet, 156. 



WARDLE, C. W., Giffard injector, 

 elevator for colliery drainage 

 discussion of paper by, 79-81. 



Water, absorption of heat, slow, by, 

 14 ; condensing, temperature of, 4 

 conductive power low of, 14 ; 

 specific, heat of, high, 14. 



Water gas, reference to, 133. 



Water raising. See Steam-jet, Sie 

 mens's. 



Watt's condenser, 3, 12 ; governor 

 107, 108, 140 ; law of total heat of 

 steam, 19 ; steam engine, 50, 51 ; 

 steam jacket, 72. 



Welding. See Regenerative gas 

 furnace. 



Wenham's heated air-engine, 161. 



Wethered, J., combined steam, dis- 

 cussion of paper by, 76, 77. 



ZEUNER'S experiments on steam- 

 jets, form of apparatus, 144. 



