310 INDEX VOL. 27 



PAGE 



Aerodynamics 7, 30, 43, 44. 80, 91, 99 



experiments in 1, 6, 7, 19, 21, 32, 41, 80, 98, 128, 150, 153 



Aeronaut (sec also aviator) 130 



Air, compressed 11, 24, 25, 26, 68, 112 



liquid 154 



resistance of 6, 8, 9, 142, 165-167 



Air-chamber 64, 68, 69, 98, 112, 113 



Air-cooled engine 226 



Alcohol and hydrocarbons, use of, as fuel 24, 25, 35, 55, 57, 66, 72, 73 



Alcohol aeolipiles 55, 56, 60, 66, 69, 112 



Allegheny Observatory, experiments at 11, 13, 31, 150 



Allotment, Government, for man-carrying aerodrome 124-126, 132, 278 



Aluminum-bronze, use of 114, 116, 173, 174 



Aluminum in engine construction 32, lit, 243, 252 



sheathing of hull 69 



wires 84 



Aneroid barometer for determining height 186 



Anemometer cups 143 



Angle, diedral, of wings 45, 82, 89 



of inclination 41, 43, 83, 99, 100 



rotation 61 



wings, root angle 83, 89, 91, 97. 98, 100, 101, 103 



Area, relation to weight and power 43, 44, 64, 90, 99, 101 



supporting (see also surface) 82, 87-89, 91, 93 



Asbestos, use of 35, 63. 67 



Associated Press, statement to 266, 280 



Aviator, equilibrium of 161, 169, 253 



weight of 130. 210. 256 



Aviator's car 185-187, 214, 251, 252 



jacket 273 



seat 185 



wheel 214, 216, 265, 266, 272 



B 



Bagging or pocketing of wings 84, 86, 100. 195, 203 



Balance ( see also equilibrium ) 82, 165 



Balancing of aerodrome 45-52, 81, 90, 109, 134, 211, 258 



engine 246, 247 



wings and rudder 211, 255 



Ball-bearings on launching car 160, 175, 177, 252, 253 



Bamboo ribs for wings 200 



Barometer, aneroid 186 



Barus, Dr. Carl, boiler experiments by 58, 70-75, 93-95 



Batteries, electric 11, 24, 26, 27, 162, 212, 220-222, 237, 240, 241, 257, 262, 263 



Bearings, ball, on aerodrome and launching car 160. 175. 177. 252, 253 



bronze, on model aerodromes 177 



Bedplates 116, 168, 175, 273 



"Beehive" boilers (.sec boilers). 



Bell. Alexander Graham 4. 96, 102-104, 106, 108 



Bessemer steel guy wires 172 



Bevel gears 174. 177, 241 



Bird-wings, construction of 7, 188, 200, 201 



Birds, soaring, study of 7, 9, 88, 287 



Blazer, S. M.. engineer 126 



" Bleeder," feed tube for burner 67, 113 



Bleriot aeroplane <u type 283 



Blower for artificial wind 61, 97, 225 



Board of Ordnance and Fortification 121, 126, 132, 250, 255, 271, 276, 278, 279, 280 



Boat, house 92, 93, 136, 148, 14!'. 156-163, 269 



Body, construction of (ice also bull I 32, 60 



Boiler, " Beehive " type 34, 39 



coil of 34-39, 70, 71, 113-116 



development of 55-59, 65, 68, 70-75, 102, 114-116 



pressure 58, 59, 63, 68, 69, 101, 102 



report on, by Dr. Barus 70-75 



