H., 148
Perkin, Sir William, 72, 80, 102
Pharmaceutical chemistry, 6, 85-88
Phenol, 18, 64, 84, 101, 102, 137
Phonograph records, 84, 141
Phosphates, 56-59
Phosgene, 224, 225
Photographic developers, 88
Picric acid, 18, 84, 85, 226
Platinum, 28, 278, 280, 284, 286
Plastics, synthetic, 128-143
Pneumatic tires, 162
Poisonous gases in warfare, 218-235, 307
Potash, 37, 45-56, 300
Priestley, 150, 160
Purple, royal, 75, 79
Pyralin, 132, 133
Pyrophoric alloys, 290
Pyroxylin, 17, 127, 125, 130
Radium, 291, 295
Rare earths, 286-288, 308
Redmanol, 140
Remsen, Ira, 178
Refractories, 251-252
Resins, synthetic, 135-143
Rose perfume, 93, 96, 97, 99, 105
Rubber, natural, 155-161, 304
synthetic, 136, 145-163, 304
Rumford, Count, 160
Rust, protection from, 262-275
Saccharin, 178, 179
Salicylic acid, 88, 101
Saltpeter, Chilean, 22, 30, 36, 42
Schoop process, 272
Serpek process, 31
Silicon, 249, 253
Smell, sense of, 97, 98, 103, 109
Smith, Provost, 237, 245, 307
Smokeless powder, 15
Sodium, 148, 238, 247
Soil chemistry, 38, 39
Soy bean, 142, 211, 217, 306
Starch, 137, 184, 189, 190
Stassfort salts, 47, 49, 55
Stellites, 280, 308
Sugar, 164-180, 304
Sulfuric acid, 57
Tantalum, 282
Terpenes, 100, 154
Textile industry, 5, 112, 121, 300
Thermit, 256
Thermodynamics, Second law of, 145
Three periods of progress, 3
Tin plating, 271
Tilden, 146, 298
Titanium, 278, 308
TNT, 19, 21, 84, 299
Trinitrotoluol, 19, 21, 84, 299
Tropics, value of, 96, 156, 165, 196, 206, 213, 216
Tungsten, 257, 277, 281, 308
Uranium, 28
Vanadium, 277, 280, 308
Vanillin, 103
Violet perfume, 100
Viscose, 116
Vitamines, 211
Vulcanization, 161
Welding, 256
Welsbach burner, 287-289, 308
Wheat problem, 43, 299
Wood, distillation of, 126, 127
Wood pulp, 112, 120, 303
Ypres, Use of gases at, 221
Zinc plating, 271
_Once a Slosson Reader_
_Always a Slosson Fan_
JUST PUBLISHED
CHATS ON SCIENCE
By E.
Pages:
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471