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CONTENTS. 



251. 

 252. 

 253- 

 254- 



255- 



256. 



257- 

 258. 



259- 



260. 

 261. 

 262. 



263. 



264. 

 265. 



266. 



267. 



268. 



269. 

 270. 

 271. 

 272. 



273- 

 274. 



275- 

 276. 



277. 

 278. 

 279. 

 280. 

 281. 

 282. 

 283. 

 284. 

 285. 

 286. 

 287. 

 288. 

 289. 



290. 

 291. 

 292. 



293- 

 294. 



Coefficients of linear expansion of miscellaneous substances . . 233 



" *' cubical " " crystalline and other solids . . 234 



" " " " liquids 235 



'* " thermal expansion of gases 236 



Mechanical equivalent of heat : various data 237 



" " " " adopted values (Ames) . . . 237 



" " " '* conversion values .... 237 



Specific heats of the chemical elements 238 



" " " water and mercury 239 



Additional specific heats of the elements 240 



Mean specific heats of quartz, silica glass and platinum . . .240 



Specific heats of various solids 241 



" " " " liquids 241 



" " " *' minerals and rocks 242 



" " " " gases and vapors 243 



Gas and mercury thermometers : formulae 244 



Comparison of hydrogen and 16'" thermometers : 0° to 100° C . 244 



" «' " " 59'" " 0° to 100° C. . 244 



" " " " 16'" and 59"' thermometers: -5° to-35°C. 244 



Comparison of air and 16"' glass thermometers: 0° to 300° C. . . 245 



" " «' " 59"' " " 100° to 200° C. . 245 



" " hydrogen and various mercury thermometers . . 246 



" " air and high temperature (59"') mercury thermometer . 246 



" " H., toluol, alcohol, petrol ether, pentane thermometers 246 



Platinum resistance thermometry 247 



Thermodynamic scale ; temperature of ice-point .... 247 



Standard points for calibration of thermometers .... 247 



Stem correction for thermometers 248 



.... 249 



. 249 



Calibration of thermo-element Pt.-Pt. Rh 250 



" " " " Cu-Constantan 250 



Radiation formulae and constants for perfect radiator . . . .251 



" in calories for perfect radiators at various temperatures . 251 



" distribution in spectrum at various temperatures . .251 



Cooling by radiation and convection : ordinary pressures . 



" " " " " different pressures . 



" " " " " very small pressures 



" " " " " temperature and pressure effects 



Properties and constants of saturated steam : metric measure 



•' " " " " " common measure . 



Ratio of the electrostatic to the electromagnetic unit of electricity 

 Electromotive force of standard cells : absolute current measures 



Data for voltaic cells : {a) double fluid cells 



(J?) single fluid cells 



(<r) standard cells 



