314 INDEX VOL. 27 



PAGE 



Frame, roust rud ion of, model 39, 53-80, 90, 112, 119, 129 



large aerodrome 164-187, 253 



main 165-168, 170 



resistance of 165-167 



testing of 79 



transverse 77, 165, 174-178 



work 118 



French Academy, communication to 3 



Fuel, alcohol and hydrocarbon 24, 25, 35, 55, 57, 66, 72, 73 



carbon 27 



carbonic acid gas 11, 24, 26, 28, 29, 39, 53, 54 



charcoal 57 



gas 26, 28, 37 



gasoline 24, 25, 36, 37, 65-68. 112. 125, 224. 248, 259 



quantity of 68 



Fuel-tank 36, 65. 67, 68, 112, 113 



Funds for experiments 124-126, 132, 257, 278, 279, 281 



G 



Gaertner, Mr., instrument maker 93. 95 



Gas, carbonic-acid 24, 26, 28, 36, 68, L13 



Gas-burners 35, 55, 6.1, 65, 70-75, 112, 113 



Gas-engine (see also engines, gas and gasoline) 26, 28, 37 



Five cylinder 224, 234-250, 255 



large 234-250, 277 



model 26-28, 05. 131, 133, 232-234 



Gasoline-burners 56, 60, 62, 65, 67. 68, 70-75, 112-116, 149 



Gasoline-engines 24. 37. 65. 125, 131. 179, 210, 218-225. 232-234, 24S, 259. 277 



Gasoline-evaporator 37, 65. lis 



Gears 114, 117, 136, 137, L68, 174, 175. 177. 2:17. 211 



Gibson. Captain, recorder 250 



Coldbeater's skin, for wings 77 



. G. Brown 97 



■ nment allotment (see also Board of Ordnance an:! Fortification) 124-126, 132, 279 



Gravity, center of 10, 13-16, 45-52, 61, 64, 80, SI, 98, 101. 103, 143, 144, 150, 209. 210 



Gra\ ity-feed 239 



Guiding (see equilibrium and control; sustaining surfaces; and rudder). 



Gun-metal 174 



Gunpowder 24, 25 



Guy-posts 184, 189, 199, 266. 267, 268, 270. 271. l'T.~. 



Guying, early systems of 81. S4-91 



wire 81, sl-90, 99, 164-173, 1S9. 191, 196, 199, 264, 266 



Gyroscopic control 78, 21] 



H 



Harting's formula 19 



I lead resistance 142, 165-167 



Heating apparatus (see burners). 



Herring. A. M.. assistant 104 



Hewitt, Mr., at rescue of Mr. Manly 273 



Hodgkin's fund, aid from 257 



Holmes, W. II 286, 289 



Horizontal Bight, velocity required to sustain 1, 16-19, 4::, 91 



rudder 8 



Horse-power, exerted by rubber 9, 22 



Maxim's formula 15 



required to sustain flight 1 



developed 28, 37, 55, 58, 64-69. 117. 179, 223, 233, 249 



water engine . 24. 25 



House-boal and launching apparatus 92-1*19, 110-122 1 Is. 119, 156, 163, 269 



Huffaker, E. C 44, 46 



Hull, construction of 30, 32, 36, 53, 60, 69, 75. 112, 118-121 



forms of ... , 3Q 31 32i 3g_ 60, 69 



tance 49 69 



steel tubes for ' 39 _' 69, 75, 112, 118, 120 



