434 INDEX Filling viscometer, 310, 312 Films as plastic substances, 255 Fineness of grain, 235 First regime, 39 Flashing, 39 Flotation, 361.7 Flour, 394.4+ Flow through orifices, 233, 234, cp. hydraulics, in thin films, 380.2 of metals, 235, 236 theory, 365.2, 403.7, 411.3, 418.6, 419.3, 423.7, 427.7 Fluid denned, 215 Fluidity definition, 5, 364.9 table for reference, 318 in a magnetic field, cp. magnetism, in an electrostatic field, cp. electric field. Foam, 211, 229, 409.4 Formamide, 368.5, 397.9 Free volume, 142 Friction, cp. yield value, 238, 262, 280, 392.3, 415.9, 428.5 Fused salts, 193, 371.7, 374.5, 386.6,394.1,406.4 G Gases, 241, 242, 351.4, 355.9, 358.4, 360.9, 361.1+, 362.6, 367.3+, 368.1+, 371.1, 374.9, 377.4, 384.9, 385.3, 388.6, 389.1, 392.2, 398.3, 403.5, 404.2, 410.8, 414.3, 419.8, 420.6+, 422.1, 424.5+, 426.6, 428.7 Gasoline, 380.9 Gelatine, 198, 212, 280, 289, 349.1, 352.4, 355.7, 375.8, 380.8, 384.6, 392.9, 393.6, 394.3, 400.2, 412.8, 414.5, 415.9, 419.1 Geophysics, 287 Glass, 286, 377.9, 384.7, 392.6, 418.1, 424.6, 425.9 Glue, 280, 355.7, 370.4 Gluten, 280, 419.1 Glycerol, 358.9, 413.3, 414.1 + Gold value, 393.2 Graphite, 229 Greases, 281, 361.8, 395.3 Gums, 419/ H Hsemodynamics, 401.9 Halogens, 250 Hardness, 3, 235, 391.4 Heat of vaporization and v., 372.9 of fusion, 378.2 Hemoglobin, 356.8 Helium, 364.5, 403.5, 409.3, 413.7, 414.8, 420.2 Heptane as a standard for vapor pressure comparisons, 157, et seq. Hexamethylene, 277 High temperature v., 349.1, 370.1 Homogenizing, 211, 281 Hydrate theory, 354.8 Hydraulic flow and plastic state, 231 Hydraulics, cp. also turbulence, 365.1, 369.9, 371.6, 372.3, 380.6, 394.2, 395.3+, 398.5, . 400.1, 407.7+, 408.9, 412.2, 417.4, 421.4 Hydrocarbons, 113, 351.3, 372.8 Hydrocellulose, 353.2 Hydrodynamics, 1, 212, 351.9, 353.6, 356.6, 358.1, 362.9, 368.8, 369.1, 373.9, 391.9+, 394.1, 395.9, 399.5, 401.3, 401.8, 406.7, 410.3, 415.9, 418.3+, 424.3, 426.6 Hydrogen, 353.5, 376.8, 389.8, 395.9, 403.5, 408.1, 409.3, 424.5, 428.4 bromide, 397.3 chloride, 397.3 iodide, 397.3 sulphide, 397.3