CONTENTS. Xiii 



251. Specific heats of minerals and rocks 229 



252. " " (true and mean) of silicates, 0° to 1400° C 229 



253. " " of gases and vapors, also cplcv 230 



Latent Heats 



254. Latent heats of vaporization 231 



255. " " " " formulae 232 



256. " " " " ammonia 232 



257. "Latent heat of pressure variation" of liquid ammonia 232 



258. Latent and total heats of vaporization of elements, — theoretical . . 233 



259. Properties of saturated steam 234 



260. Latent heats of fusion 240 



Heats of Combustion, Formation, etc. 



261. Heats of combustion of some carbon compounds 241 



262. " " " " miscellaneous compounds 241 



263. Heat values and analyses of various fuels : {a) coals and coke . . . . 242 



(6) peats and woods . . . 242 



(c) liquid fuels 242 



{d) gases 242 



264. Chemical and physical properties of explosives 243 



265. Additional data on explosives 244 



266. Ignition temperatures of gaseous mixtures 244 



267. Explosive decomposition, ignition temperatures 244 



Flame temperatures 244 



Thermochemical data: heats of formation from elements 245 



" " " of ions 246 



" " " " neutralization 246 



" " " " dilution of sulphuric acid 246 



Radiation 



273. Radiation formulae and constants for perfect (black-body) radiator . 247 



274. " in calories for perfect radiator, various temperatures . . . 247 



275. " distribution in spectrum for various temperatures .... 247 



276. Black-body spectrum intensities, 50° to 20000° K 248 



277. Relative emissive powers of various bodies for total radiation . . . . 249 



278. Emissivities of metals and oxides 249 



279- " " " " " 249 



280. Temperature scale for tungsten, — color, black-body and true tem- 



peratures 250 



281. Color minus brightness temperature for carbon 250 



Cooling by Radiation, Conduction, and Convection 



282. Cooling by radiation and convection: ordinary pressures 251 



283. " " " " " different pressures 251 



