KEY AND INDEX 



6, 68; difference between 

 modern and ancient; defects 

 of, 6, 69. 



Winds, controlled by a general 

 mathematical law, 3, 200; 

 their direction in a storm 

 centre, 3, 201, 202; long-time 



intrinsically from those of ea-ly 



wood engravers, 8, 187. 

 Wollaston, Dr. William Hyde, 



his suggestions to improve the 



microscope, 4, no. 

 Women, the bearers of burdens, 



6, 56. 

 forecasts' possible only in Wood-engraving, 8, ij*4; the 



India, 3, 205. 

 Winkler, Johann Heinrichs, 



tries to measure speed of elec- 



tric current, 2, 278. 

 Wireless telegraph, used by 



oldest wood-cuts, 8, 186; 

 improvement made by Eiirer, 

 8, 188; technic of wood- 



engraving, 8, 189; time and 

 cost of production, 8, 191. 



Cyrus the Great,' 8, 3; the Woodhouse, Sir Philip, Gov- 

 oldest form of communica- ernor of Cape Colony, pur- 



tion by telegraph, 8, 3 ; use chased first important South 

 of, by Napoleon, 8, 3; elec- African diamond, 9, 316. 

 trical, 8, 47; water and earth Wool, the preparation of, for 



as conductors, 8, 48; dis- spinning, 9, 18. 



coyeries of Professor Trow- 

 bridge, of Harvard, 8, 49; 



Woolf, Arthur, revived idea of 

 compound engine, 6, 117; 



experiments of Sir William demonstrated its merits over 



H. Preece, 8, 50; system simple engine, 6, 117. 



patented by Thomas A. Edi- Woolrich, his name intimately 

 son, 8, 50; system of com- connected with the early ef- 



munication installed by Smith 

 and Granville, 8, 51; ex- 

 periments with "Hertzian 



W 



"coherer" 



forts at utilization of magne- 

 to-electric power, 6, 178. 

 Worcester, Marquis of. See 

 Somerset, Edward. 



8, 52; 



invented by Dr. Branly, 8, Work, definition of, 6, 29. 

 52; the work of Marconi, 8, Wortley, Col. Stuart, his work 

 "tuning" the messages, 

 first trans-Atlantic 



in photography, 8, 232. 



Wortman, Dr. J. L., his evi- 

 dence in connection with the 

 fossil lineage of the edentates, 

 3, 114- 



Wright, Orville (with his 

 brother Wilbur), invented 

 the flying-machine, 7, 288; 

 his flights near Washington 

 in an attempt to fulfill 

 the Government tests, 7, 

 295; his flights at Berlin, 

 7, 295. 



sur- Wright, Wilbur (with his 

 brother Orville), invented the 



& 41 



message, 8, 61; the DeForest 

 system used during the Russo- 

 Japanese war, 8, 65; other 

 systems, 8, 65. 



Wireless telephone, 8, 89; in- 

 struments used by Dr. Lee 

 DeForest, 8, 90; advantage 

 of wireless over wire tele- 

 phones, 8, 91. 

 Wise, John, his record flight in 



a balloon, 7, 256. 

 Wiseman, Richard, English 



geon, 2, 184. 



Wohler, Priedrich, synthesized flying-machine, 7, 288; his 



series of flights in France, 7, 

 293; his sensational flight 

 up the Hudson from Gov- 

 ernor's Island, 7, 295. 

 Wundt, Dr. Wilhelm, studies of 

 sensations, apperception, and 



the organic product urea, 4, 

 54; isomerism proved by, 4. 

 62; school of physiological 

 chemistry under guidance of. 

 4, 128. 



Wolff, Henry, contemporary 

 engraver, methods differ little 



volition, 4, 267. 



[226] 



