GENERAL INDEX 



electricity or magnetism, 5, 

 215; the idea of action of 

 distance repugnant to his 

 mind, 6, 155; his invention 

 of the dynamo-electric ma- 

 chine, 6, 177. 



Faraday tubes, nature of, 6, 1 59. 



Farman, Henry, his successful 

 flight, 7, 293. 



Farmer, Moses G., constructed 

 an electro-magnetic locomo- 

 tive, 7, 179. 



Favus, cause of, 4, 208. 



Fechner, Gustav, his Psycho- 

 physik, 4, 263; verifies 

 Weber's fundamental law of 

 psychophysics, 4, 266. 



Fegaunt, Lieutenant, and Cap- 

 tain Marconet, made a cross- 

 country flight in a Farman 

 bi-plane, 7, 298. 



Feil succeeded in making crys- 

 tals of a size from which gems 

 could be cut, 9, 331. 



Ferrel, Professor William, formu- 

 lated a general mathematical 

 law concerning wind currents, 

 3, 200. 



Ferrier, Dr. David, and brain 

 localization, 4, 273. 



Field, Cyrus W., his connection 

 with the laying of the At- 

 lantic cable, 8, 30; aboard 

 the Great Eastern on its first 

 cable-laying expedition, 8, 

 42. 



Field, Stephen D., his experi- 

 ments with the electric motors, 

 7, 181. 



Fifteenth-century medicine, 2, 



39- 



Fielding and Platt, their work- 

 ing model of a rotary engine 

 in the South Kensington 

 Museum, 6, 122. 



Finding the time without a 

 chronometer, 7, 28. 



Fire Damp, in mines, 6, 249. 



Fire-engine, device of Ctesibius 

 described, 6, 63. 



Fitch, John, his efforts to perfect 

 a steamboat, 7, 63. 



Fizeau, M., invented the process 

 of toning or gilding photo- 



graphs with a solution of 

 gold, 8, 228. 



Fleury, Cardinal, as French 

 Minister in 1728 concerned 

 himself with fashions in hoop 

 skirts, 9, 74. 



Flinders, Matthew, his discovery 

 that the influence of the ship 

 over its compass varies with 

 the direction of the ship's 

 prow, 7, ii. 



Floods, those of the Nile, the 

 Tigris, and Euphrates a most 

 tangible index of the seasons, 



1, 66. 



Flourens, Marie Jean Pierre, ex- 

 periments in nerve physiol- 

 ogy, 4, 270; discovers the 

 "vital knot," ibid. 



Floors, ancient, 9, 154. 



Flying Cloud, speed made by, 



Forbes, the discoverer of the 

 polarization of heat, 3, 278. 



"Force" of cohesion, 6, 49. 



Fossil beds of America, the, 

 finest known, 3, 106. 



Fossil man, the collection of M. 

 Boucher de Perthes, 3, 100. 



Fossil horse described by Pro- 

 fessor Marsh, 3, 108. 



Foster, Sir Michael, permanent 

 secretary Royal Society of 

 London, 6, 17. 



Fouque, French chemist, his 

 analysis of the blue pigment 

 used by the Egyptians, 8, 302. 



Fourneyron, invents turbine 

 wheel, 6, 72. 



Franco, Peter, itinerant surgeon, 



2, 182. 



Frank, associated with Caro in 

 perfecting process of nitrogen 

 fixation, 6, 309. 



Franklin, Benjamin, electrical 

 experiments, 2, 286; his 

 theory of electricity, 2, 288; 

 6, 150; his battery, 2, 289; 

 invents the lightning-rod, 2, 

 290; proves that lightning is 

 electricity, 2, 293; his theory 

 concerning the aurora borealis, 



3, 173; concerning the vapor 

 of water, 3, 177; pointed out 



[179] 



