VIII CONTENTS 



PART II — Continued 



CHAPTOB PAGB 



IV. House-boat and launching apparatus 156 



V. Construction of frame of large aerodrome 



1 74 



Transverse frame * ' * 



Propellers "° 



Aviator's car 



VI. Construction of supporting surfaces ls8 



VI I. Equilibrium and control 207 



VIII. The experimental engine "«j 



IX. The quarter-size model aerodrome 226 



X. Construction and tests of the large engine 234 



XI. Shop tests of the aerodrome 251 



XII. Field trials in 1903 255 



Statement made by Mr. Manly to associated press 2G6 



Report of War Department, January, 1904 276 



Langley aerodrome, Official Report of Board of Ordnance, October, 1904 278 



Statement to the Press 280 



Present status of the work 281 



Bleriot Machine of 1907 on Langley type 283 



Appendix. Study of American Buzzard and " John Crow " 28a 



Instructions to assistants 



Data sheets 1 to 12. 



297 



Index 309 



