CONTENTS Xlll 



(d) Monatomic alcohols 257 



(e) Alcoholic ethers 257 



(/) Ethyl ethers 257 



(g) Miscellaneous 258 



241. Melting point of mixtures of metals 259 



242. " " alloys of lead, tin, and bismuth 259 



243. " " low-melting-point alloys 259 



244. " " some refractory substances 260 



245. Enantistropic inversions in crystals 261 



246. Transformation and melting temperatures of minerals and eutectics. 266 



247. Lowering of freezing points by salts in solution 267 



248. Rise of boiling point produced by salts dissolved in water 269 



249. Freezing mixtures 270 



250. Critical temperatures, pressures, and densities of gases 271 



Thermal Conductivities 



251. Thermal conductivity of metals and alloys 272 



252. " insulators at high temperatures 273 



253. " various substances 273 



254. " insulating materials 274 



255. " various insulators 276 



256. " water and salt solutions 276 



257. " organic liquids 277 



258. " " " gases 277 



259. DifTusivities 277 



260. Thermal conductivity — liquids, pressure effect 278 



261. The unit of thermal resistance — the fourier 279 



262. Factors to reduce heat flow in f ouriers to other units 279 



263. Conversion factors between units of current density of heat flow . 279 



264. Thermal resistivities in fouriers 279 



265. Anti-freezing solutions (for automobile radiators, etc.) 279 



Expansion Coefficients 



266. Linear expansion of the elements 280 



267. " miscellaneous substances 281 



268. Cubical expansion of solids 282 



269. " " " liquids 283 



270. Thermal expansion of gases 284 



Specific Heats 



271. Specific heat of the chemical elements 285 



272. Formulae for true specific heats 287 



273. Heat capacities, true and mean specific heats, latent heats at fusion . 288 



