GENERAL INDEX 



fraction of light, 2, 118; 

 Keplerian telescope, 2, 253. 



Kertland, Philip, began the 

 manufacture of shoes at Lynn 

 9, 108. 



Khammurabi, Babylonian king, 

 his famous code concerning 

 physicians, 1, 76. 



Kirchhoff, with Bunsen, perfect- 

 ed the spectroscope, 4, 69. 



Kitasato, Professor, his studies 

 in the embryos of fishes, 6, 

 132. 



Knife-blade, a modification of 

 the inclined plane, principle 

 of, 6, 54- 



Knitting-machinery. See Tex- 

 tiles. 



Knowledge, Natural, The 

 Royal Society of London for 

 Improving, Chapter II, 6, 14. 



Koch, Dr. Robert, corrobora- 

 tion of Devaine's discovery, 

 4, 228; work of, in the Berlin 

 Institute of Hygiene, 6, 194. 



Koenig, Friedrich, his mano- 

 metric capsules of use to 

 Graham Bell in his experi- 

 ments with the telephone, 8, 

 78; practical solution of 

 cylinder press credited to, 8, 

 123. 



Kowalski, Professor, experi- 

 mented unsuccessfully in com- 

 mercial extraction of nitro- 

 gen from the air, 6, 306. 



Kratzenstein, Christian Gott- 

 lieb, used electricity in medi- 

 cal practice, 2, 278. 



Krayne, Robert, his method of 

 making line color-screens, 8, 

 242. 



Krebs and Renard, invented 

 La France, a motor-driven 

 balloon, 7, 264. 



Kriiger, Gottlieb, suggests the 

 medicinal use of electricity, 

 2, 278. 



Krupp steel, its introduction and 

 important uses, 6, 295. 



Krypton, discovery of, 5, 87. 



Kunz, George F., his striking 

 illustration of the power of 

 radium, 6, 101. 



Kuzel, one of the experimenters 

 with incandescent filament 

 lamps, 6, 235. 



LABOR, physical, modern atti- 

 tude toward; always dis- 

 tasteful to mankind, con- 

 sidered a disgrace and a curse 

 by ancient philosophers ; 

 avoidance of, by the more 

 intelligent of mankind, 6, 26; 

 task of science to reduce, 6, 

 28. 



Laboratory, The Marine Bio- 

 logical, at Naples, Chapter V, 

 6, 113. 



Laboratories, Physical, and 

 Physical Problems, Chapter 

 IV, 6, 73. 



Laboratories, Some Medical, and 

 Medical Problems, Chapter 

 VII, 6, 178. 



Laborde, M., his theories of 

 radio-activity, 5, 106. 



Labpuchere, flew for ten minutes 

 with two passengers at Mour- 

 melon, 7, 298. 



Lace-making. See Textiles. 



Ladd, constructed dynamo-elec- 

 tric machines, 6, 178. 



Laennec, Ren6 Th6pphile Hya- 

 cinth, his invention of the 

 stethoscope, 4, 201; his 

 Traite d Auscultation Mediate, 

 4, 202. 



La France, motor-driven balloon 

 of Renard and Krebs, 7, 264. 



Lake, Simon, invented practical 

 diving-boats, 7, 107. 



Lallament, Pierre, a bicycle 

 invented by, 7, 155. 



Lamarck, Jean Baptiste, a stu- 

 dent of fossil shells about Paris 

 while Cuvier was studying 

 the vertebrates, 3, 93; his 

 advocacy of a theory of organ- 

 ic evolution, 4, 150; his the- 

 ories formulated in the im- 

 portant work Philosophic 

 Zoologique, in 1809, 4, 152. 



Lambert, Professor, his esti- 

 mate of the gyroscope, 7, 224. 



Lamp, burning oil, as used in 

 ancient times, 6, 202; a 



