KEY AND INDEX 



Lime-light, method of pro- 

 ducing, 6, 209. 



Linde, Professor, improved 

 method of liquefaction of 

 gases, 6, 44- 



Linnaeus, Natural History to 

 the Time of, Chapter XV, 2, 

 297. 



Linnaeus, Carolus, member of 

 Royal Swedish Society 2, 

 203; life and work, 2, 299- 



33- 



Lippershey, Johannes, inventor 

 of the telescope, 2, 78, 252. 



Lippmann, Prof. Gabriel, pro- 

 posed a direct method of 

 color-photography, 8, 237; 

 devised a method of employ- 

 ing the minute spectra of 

 prisms, 8, 246. 



Liquefaction of gases, 5, 40-46; 

 improved methods of, 5, 44; 

 principles and experiments, 

 6, 46-60; results and antici- 

 pations of the, 6, 61-72; use 

 of, in the refrigeration of foods, 

 5, 61. 



Liquefied air, 6, 45, 46, 63-67. 



Liquid chlorine, Faraday pro- 

 duces, 5, 39. 



Liquid Fuel, 7, 90; its advan- 

 tages over coal, 7, 91; its 

 disadvantage, 7, 91. 



Lister, Joseph Jackson, experi- 

 ments with the microscope, 4, 

 112; studies of lenses, 4, 113; 

 shape of the red corpuscles 

 settled by, 4, 114. 



Lister, Dr. Joseph (Lord Lister), 

 discovery of antisepsis, 4, 

 229; and surgery, 4, 231; 

 president of the Royal Society 

 of London, 6, 16. 



Lithography, invented by Alois 

 Senef elder, 8, 198; materials 

 used in, 8, 199. 



Liver, the important share of, 

 in preparing food for ab- 

 sorption, 4, 130; not a duct- 

 less organ, 4, 137; blood 

 undergoes a change in passing 

 through, 4, 138; cells, ibid. 



Living forms, question as to, on 

 other worlds, 6, 220. 



Lockyer, Sir Norman, his "me- 

 teoric hypothesis," 3, 70; 

 does not meet with unani- 

 mous acceptance, 3, 71; his 

 deductions from observations 

 of the sun and stars through 

 the spectroscope, 4. 7 1 ; spec- 

 troscopic study of sun and 

 stars, 6, 73; his theories, 6, 

 75; study of sun-spots, 6, 76; 

 studies of the reverse lines of 

 spectrum, 6, 78; studied the 

 spectrum of the new star that 

 appeared in the constellation 

 Perseus in 1901, 6, 79. 



Locomotive, mining, 6, 257. 

 (See "steam locomotive.") 



Lodge, Sir Oliver, and the in- 

 stability of the atom, 6, 109; 

 experiments of, 8, 53. 



Log, the use of, on ships, 7, 16. 



Logical induction versus hasty 

 generalization, 5, 239-242. 



Lome, Dupuy de, the dirigible 

 balloon of, 7, 263. 



Long, Dr. Crawford W., claim to 

 the discovery of ether, 4. 215. 



Long-distance telephone, 8, 84. 



Longitude, method of ascertain- 

 ing, 7, 31. 



Loom, development of the 

 power-loom, 9, 43 ; the power- 

 looms suggested by the 

 Frenchmen, de Gennes and 

 Vauconson, 9, 43; practical 

 loom invented by Dr. Ed- 

 mund Cartwright, 9, 44; 

 events leading up to the in- 

 vention of the power-loom, 

 9, 45; the perfected power- 

 loom, 9, 48; the Jacquard 

 loom, 9, 49; the Northrop 

 loom, 9, 51. 



Lotze, Dr. Hermann, his Medi- 

 zinische Psychologic, oder 

 Physiologic der Seele, 4, 263. 



Louis, the "statistical method" 

 introduced by, 4, 203. 



Louis XIV, his practical joke on 

 Charles II, 9, 62. 



Lovejoy, in association with 

 Bradley experimented with 

 the commercial extraction of 

 nitrogen, 6, 306. 



