318 



INDEX 



2-14 



58 



117 



Sharp, A roll i bald, on balancing of engines 246 



Sheathing, aluminum g 9 



mira 63, 72. 1 1 5 



Shop tests 40 218 951.-154 



Silk wing-covering 54 . i;:; sl gV-88,' 90,148, 'l94, 'l95 205 



Sliding tail designed 16 g4 



Smillie, Thomas W., photographer 260 267' 271 273 



Smithsonian institution ....1, 6, 17. is. 31, .(2. 124-126, 171. 174. 176,179, 257, 260, 27l7276 "2SO-2SI 



Smoke-stack 60, 67, 74, 78 



.Soaring-birds, study of ( see also appendix) 7 9 88 



Soaring speed ../".. .Y...\ 32, '4L 69 



Sparking devices (see electric batteries and circuits). 



Specific gravity 12 o 



Speed attained {see also velocity) ::i, 32, 41, 55, 61, 91, 99, 107, 114, '134,161, 264 



Speed-counter 02 120 , s - 243 ' 249 ' 252 



Spokes, wire „,„ 



Spruce guy-sticks and frames ...... 85-87 ~90 



ribs compared with quills ., ll(l '., H] 



St. Louis Exposition tests " ' 249 



Stability, lateral and longitudinal " ' '45.52 77 



Starter on launching-car " ' 94' q- 



Starting-crank on launching-car " ' 243 



Steam, dry, production of 



Steam-chest 



Steam-engine 7777! 77 7777777 777 77 \ 77 m7«Mo! M,' 69','iu, 1 



Steam-gauge 1U 



construction of frames and ' '53.30 



Steam-generating apparatus 114-116 



Steam-motors and other models 30-40 1"4 135 



Steam-pressure 24. 30-40, 53-59, 63-70, mi. 102,' 114," 117,' 134, 135,' 137,' 141, 142^ U9, 150 



Steel, use of 69j 112 116> U9 _ m 17 ^ m 2U .,-- 



tubes, for hull 39) 69 _ 75> m> us m 



steering apparatus (srr <iis<> equilibrium and control) 214-216, 265 266 272 



„ t . . , automatic 7.7.7.7. .... 30, 77^ 211,' 216 



Steering wheel ; 214 _ 216 265 266 272 



Storage batteries (see batteries, electrical 1. 



Stringfellow engine 30 31 



Superposed wings 7 7 7 7 7 7 7 7 7 77 7 ' i37ii,' i 7 7i3s,' ^'mW 



Supporting surfaces 11. 44, 77, 81, 99, 188-206 



Supports for propellers .,., 



wings and tails .! (; (; ,"^ 



Surfaces ( see also planes and wings). ° ' 



covering for -- sl 86 87 90 14g m lg5 



curved 44 4g 



plane observations on velocity of , 



rigid , 777777777777!!! 6 46 



sui ' 1 '". rt . 1 - s 11, 44, 77,93,' 99,188-206 



s,lstainlng 1, 5, 41-44, 80-91, 99 



and guiding 5 80 91 



Surgeons' tape, used for mending ribs 2fi4 



Sustaining surface ! -7 7 !'. 7. 77. 77. ! 7. '. 7. 'i'.'s.'Vwi,' 'sMl, 99 



de Lucy on 



Symbols 



19 



14. 15 



Synchronizing mechanism .77' .'.'.'.'.'.'.'.'.'. 7"io8,"l21, 136, 137 



Table ■ t x u , r ! 1 - 156,165,166 



Tarbo,, 777 1, 5, 6, 7, 11, 13, 31, 42. 165, 166, 178, 189-194 



Tachometer ,.., ^ ^ ^ ^ ^ 



adVustment'of".'.'.'.'.'.!! ::;:::: 8 - ■'• 7 "' "• so - 91 - "• ™- 2 i] 



connections of ] ' " ■„„*„!* 



covering S6""lU3 



:'"* !-■ 13, 50, 79, 107. 122. 139-147, i'51-i537 '20972117213,' 21L 215 



use as guiding and sustaining surface 7 777.77777 80 



