INDEX 



203 



Windmills, 7-14 : Airplane-propeller, 11 ; 

 American type, 9, 11, 13 ; Benson, 

 1878, 14 ; Bevil, 1880, 13 ; bibliography, 

 187 ; brakes, 8, 13 ; Burnham and 

 Halladay, 10 ; construction, early, 8 ; 

 Cook, 1878, 14 ; Cottle, 1879, 13 ; Cru- 

 saders brought to Europe, 8 ; direct- 

 ing into wind, 8-11, 13 ; Dutch type, 

 a Flemish invention, 9 ; Dutch type in 

 America, 9, 10 ; electric generators, 

 11; Farmer, 11, 13; firsts, authentic 

 record, 1191, 8 ; wind wheels, 7, 8 ; 

 governors, 9, 10 ; Halladay and Burn- 

 ham, 1854, 10; Halladay Co., 10; 

 Heron, c. 150 A. D., 8 ; horizontal, 11 ; 

 Kumme system, 11 ; "Magnus effect," 

 11; Monitor, 1881, 11; at Newport, 

 1677, 9 ; paddle wheel, horizontal and 

 vertical, 12; Perry, T., experiments, 

 10, 11 ; improved efficiency, 11 ; post 

 mills, 8, 9 ; prairie, 12 ; pulley winder, 

 9; Smith, E. H., 1878, 14; smock, 8; 

 Sparks, Monitor, 1881, 11 ; tower mills, 

 9; vertical, 12; Wheeler, 1879, 12; 

 Wood, 1879, 14, 



Wind power, 7-14. 



Wind wheels, 7, 11. 



Winslow-Baker-Meyeriug Corporation, 

 donor, 184. 



Winton, A., automobile engine, 165 ; car- 

 buretor, 167. 



Wittig, W., and W. Hees, gas engines, 

 1879, 154, 155 ; 1880, 147. 



Wood, H. M., windmill, 14. 



Woodbury, D. A., shaft governor, 1870, 

 83 ; valve gear, 1859, 66. 



Woolf's boiler, 105. 



Worcester, Marquis of, steam engine, 25. 



Worthington, H. R., direct-acting pump, 

 1855, 133 ; "duplex" pumps, 1859, 134 ; 

 1871, 135. 



Worthington, H. R., and W. H. Baker, 

 direct-acting pump, 1849, 134 ; water- 

 level gauge, 1847, 119. 



Wotapek, J., injector, 1884, 130. 



Wright aircraft engines, 165. 



Yale and Towne Manufacturing Co., 



donor, 3. 

 Youle, J., iron castings, 36. 



Zenith carburetor, 168, 171. 172. 

 Zenith-Detroit Corporation, donor, 171, 

 172. 



