xvi LIST OF ILLUSTRATIONS. 



FIG. PAGE 



159. Intrinsic Energy on Indicator Diagram 278 



160. Work done greater in Isothermal than in Adiabatic Pressure decrease . 279 



161. Work Obtained under Condition of Constant Entropy .... 280 



162. Entropy-Temperature Diagram for Steam- Engine 281 



163. Heat taken in when a Body Expands isothermally 284 



164. Coefficient of Pressure Increase at Constant Volume 285 



165. Change of Temperature in Adiabatic Change of Volume .... 286 



166. Entropy-Temperature Diagram 287 



167. Clement and Desormes' Apparatus for Comparison of the two Elasticities 



of a Gas 291 



168. Diagrammatic Representations of Porous Plug Experiment . . . 297 



169. Porous Plug 298 



170. Indicator Diagram representing the Gas in the Porous Plug Experiment . 300 



171. Indicator Diagram of a Stretched Wire 303 



172. Diagram of First Latent Heat Equation 306 



173. Ideal Experiment to show that Vapour-Pressures of Ice and Water are 



equal at C 309 



174. Triple Point on Temperature Pressure Diagram 310 



175. Difference of Vapour Pressures of Ice and Water below C. . . 311 



176. Equal Pressure Lines on the Entropy-Temperature Diagram . . . 312 



177. Diagram showing that Cloud is produced on Expansion of Saturated 



Water Vapour 313 



178. Alteration of Vapour Pressure with Curvature of Liquid Surface . . 314 



179. Ideal Experiment to show the Alteration 314 



180. Ideal Experiment to show Effect of Pressure on Vapour Pressure . . 318 



181. Diagram representing the Alteration of Vapour Pressure .... 319 



182. Vapour Pressure of Solution less than that of Pure Solvent . . . 320 



183. Diagram of Raising of the Boiling-Point 321 



184. Diagram of Lowering of the Melting-Point 322 



185. Solvent and Solution separated by Semi-permeable Membrane . . . 328 



186. Diagram of Reversible Cycle 328 



187. Diagram illustrating Henry's Law applied to Osmotic Pressure . . 329 



188. Diagram illustrating Vapour Pressure given by Van t'Hoff's Law . . 330 



189. Pressure of Radiation on a Surface . 334 



190. Energy Density in a Fully Radiating Enclosure 334 



191. Diagram of Cycle for a Space filled with Radiation ..... 336 



192. Change of Wave-Length in Normal Reflection 339 



193. Change of Wave-Length in Oblique Reflection 339 



