KEY AND INDEX 



that water carries sound far- 

 ther and faster than air, and 

 with greater constancy, 7, 

 85; invented the "Franklin 

 stove," 9, 167. 



Fraunhofer, Joseph, the per- 

 fector of the refracting tele- 

 scope and the " heliometer," 

 3, 60. 



Fremy, succeeded in making 

 crystals of a size from which 

 gems could be cut, 9, 331. 



Fresnel, Augustin Jean, cham- 

 pions Dr. Young's wave the- 

 ory of light, 3, 226; elected 

 a member of the French 

 Academy, ibid . ; challenged 

 the doctrine of imponderable 

 fluids as applied to light and 

 heat, 6, 153- 



Friction, 6, 39-41; friction re- 

 ducers, 6, 54, seq. 



From Cart to Automobile, Chap- 

 ter V, 7, 152. 



From Paracelsus to Harvey, 

 Chapter VII, 2, 156. 



Fuhlrott, Dr., his discoveries in 

 a cave at Neanderthal, 3, 102. 



Fulton, Robert, inventor of the 

 Clermont, the first practical 

 steamboat, 7, 70; built the 

 first war steamer and ocean 

 steamer ever attempted, 7, 

 73 ; his experiments with sub- 

 marine boats, 7, 98; the 

 Nautilus, his first submarine, 

 7,99. 



Furniture and Furnishings, 

 Chapter IX, 9, 213-224. 



Furniture and Furnishings, 

 early types of, 9, 213; the 

 beginning of the time of 

 modern furniture, 9, 216; the 

 passing of hand carving, 9, 

 217; other ingenious tools 

 used in furniture-making, 9, 

 223. 



GALE r^percute'e, 4, 204, 205. 



Galen, the last great scientist 

 of the Alexandrian school, 1, 

 272; a tireless worker, 1 , 277; 

 his erroneous conceptions re- 

 garding the heart, 1, 278; his 



treatment of the ulnar nerve, 



1, 279; his treatment of Em- 

 peror Marcus Aurelius, 1, 280; 

 his system of treatment, 1, 

 281; his erroneous theories 

 about respiration and the 

 pulse beat, 1, 282; his obser- 

 vations of the skin and heart, 

 1,283. 



Galileo, Galilei, life and work, 2, 

 76; construction of telescope, 



2, 78, 253; telescopic ob- 

 servations, 2, 78, 79, 80; dis- 

 covery of sun-spots, 2, 80; 

 trial for heresy, 2, 81; pub- 

 lication of his work, 2, 83; 

 extract from his work, 2, 

 84; experiment at Pisa, 2, 

 94; theory in regard to pro- 

 jectiles, 2,95; mechanical dis- 

 coveries, 2, 98; experiments 

 with inclined planes, 2, 100; 

 with pendulum, 2, 100; ex- 

 periments with fluids, 2, 105; 

 account of his experiments 

 with floating bodies, in his 

 own words, 2, 106; invents 

 the thermometer, 2, 119. 



Galileo and the New Physics, 



Chapter V, 2, 93. 

 Galileo, The Successors of, in 



Physical Science, Chapter X, 



2, 204. 



Gall, Dr. Franz Joseph, studies 

 in phrenology, 4, 247. 



Gallium discovered, 4, 68. 



Galvani, Luigi, the discoverer of 

 the new agent galvanism, 



3, 229; his experiments with 

 frogs' legs, 3, 230; his ex- 

 periments paved the way for 

 the electric light, 6, 210. 



Ganglion cells, studies of, 4, 279. 



Garnerin, the folding umbrella- 

 like parachute invented by, 

 7, 243. 



Gas, term coined by Van Hel- 

 mont, 2 f 1 86. 



Gas, Acetylene, 6, 212; use of 

 calcium carbide in producing, 

 6, 213; discovery of its use 

 for illuminating by Thos. F. 

 Wilson, 6, 213; Niagara Falls 

 the centre of carbide manu- 



[180] 



