830 Index. 



Heat developed in combustion of ether ii, 393. 



naphtha ii, 401. 



oil ii, 382. 



spirit of wine ii, 387. 



tallow ii, 402. 



wax ii, 380. 



wood. . . . 11,405,468-481. 



in condensation of vapours . . . . ii, 417-424. 



vapour of alcohol . . . ii, 419. 



ether . . . ii, 423. 



water . . . ii, 417. 



excited by friction, source of .... 1,469-493; ii, 210. 

 experimental investigations concerning . . . ii, 131-165. 



generated by absorption of light iv, 81. 



greatest intensity of, produced by combustion . . . ii, 407. 



by burning charcoal . . ii, 413. 

 hydrogen . . ii, 412. 



historical review of experiments on ii, 188-240. 



intense, may exist unsuspected in a cold fluid . i, 367-383. 



materiality of (See also Caloric?) ii, 103, 208. 



means of increasing quantities of, obtained in com- 

 bustion of fuel ii, 345. 



mode of manifestation iii, 39. 



nature of, and mode of its communication (with plates) i, 488 ; 



ii, 22-130, 247, 497. 



of steam, used in making soap ii, 358-361. 



passage of, through solid bodies ii, 144-157. 



a Torricellian vacuum i, 405-424 ; ii, 193 ; 



iii, 50. 

 water impeded by certain 



substances i, 253, 262. 



preserved best by bright metallic surfaces . . . . ii, 126. 



produced by solar light ii, 158. 



various combustibles, quantity of . . .iii, 113. 



propagation of, in fluids i, 237-400 ; ii, 253. 



liquids ii, 269, 274-289. 



various substances .... i, 401-468. 



quantity lost in carbonization of wood ii, 481. 



radiant ii, 498 ; iii, 39. 



radiated with equal facility from all metals .... ii, 59. 



