KEY AND INDEX 



Chicken cholera, Pasteur's ex- 

 periments with, 4, 232. 

 Chimneys, the first, 9, 151. 

 China, the making of, 9, 260. 

 Chisel, modified form of lever, 



6, 57- 



Chloroform, pain-dispelling 

 power of, discovered by Simp- 

 son, 4, 217. 



Cholera, researches in the pre- 

 vention and cure of, 6, 184. 



Choke Damp, in mines, 6, 248. 



Christian medical science, 2, 



Chnsty, Henry, his discovery in 

 the caves of Dordogne, 3, 

 104; presumptive evidence 

 that man and the mammoth 

 had been contemporaries, 3, 

 105. 



Chromosomes, the study of, 5, 

 133; Professor Weismann's 

 theory of heredity based on, 



6, 134- 



Chronometer, perfecting the, 7, 

 23; finding the time without 

 a chronometer, 7, 28. 



Chrono-photography Moving 

 Pictures, the development of, 

 8, 248. 



Chrysostom, Saint John, his 

 silence regarding windmills 

 makes it doubtful whether 

 they existed in his day, 6, 68. 



"Circuit," electrical term coined 

 by Watson, 2, 285. 



City of Paris (now the Phila- 

 delphia) one of the first twin- 

 screw boats, 7, 81. 



Civilization, primitive man's 

 struggles toward, 9, 1-4. 



Clamond, his invention of the 

 gas mantle, 6, 209. 



Claremont, Leopold, describes 

 the process of diamond-cut- 

 ting, 9, 306. 



Clark, Alvan, discovered the 

 dark companion of Sirius, 3, 

 66. 



Clarke, W. B., his name inti- 

 mately connected with the 

 early efforts at utilization of 

 magneto-electric power, 6, 

 178; an interesting use of 



[168] 



the electric pump associated 

 with the telephone in connec- 

 tion with mining, noted by, 

 6, 266. 



Classical Science, A Retrospec- 

 tive Glance at, Chapter XI, 

 1 (i.e., vol. I), 285. 



Clausius, Rudolf Julius Emanuel, 

 has a part in perfecting theory 

 of steam-engine, 6, 115. 



Claussen, Peter, inventor of the 

 circular knitting machine, 9, 



56. 



Clayton, Rev. Joseph, made 

 experiments in the distilla- 

 tion of coal, producing a gas 

 that was inflammable, 6, 

 207. 



Clerk-Maxwell, J., he charac- 

 terized the rings of Saturn as a 

 "shower of brickbats," 3, 44; 

 thought they must consist of 

 disconnected particles, 3, 45; 

 advanced the idea that light 

 waves were really electro- 

 magnetic waves, 3, 247; 6, 

 154; believed that electricity 

 and magnetism were various 

 conditions of stress and mo- 

 tion in the ethereal medium, 

 3, 280; all interstellar space 

 filled with ether, 3, 283; his 

 study of the kinetic theory of 

 gases, 3, 295; his investiga- 

 tion of the subject of molecu- 

 lar dynamics, 3, 297; his cal- 

 culations of the distance tra- 

 versed by molecules between 

 collisions in ordinary air, 3, 

 298; his attempts to perfect 

 the process of color-printing, 

 8, 212; his experiments in 



color-photography, 8, 237. 



Clermont, invented by Fulton, 

 7,71; account of its first pas- 

 sage up the Hudson, 7, 72. 



Clock, pendulum, invented by 

 Huygens, 2, 219; marine, in- 

 vented by Harrison, 2, 257. 



Clothing the Extremities, Chap- 

 ter V, 9, 103. 



Clothing the Extremities, cus- 

 tom of wearing shoes by prim- 

 itive man as protection 



