X LIST OF PLATES 



]., u , PAGE 



49. Guy-wire system, July 10, 1002 170 



50. Guy-wire system, July L0, L902 170 



51. Guy-wire systi m. July L0, 1902 170 



52. Scale drawing of aerodrome A. End elevation 170 



Scale drawing of aerodrome A. Side elevation 170 



54. Scale drawing of aerodrome A. Plan 170 



55. Frame fittings and guy-wire attachments, etc 1 ' 4 



56. Frame fittings and guy-wire attachments, etc 1 ' ' 



57. Frame fittings and guy-wire attachments, etc 174 



58. Bed plate gears, etc 176 



59. Wing clamps 183 



60. Hoistiug aerodrome to launching-track 184 



61. Aerodrome on launching-car; front wings in place, guy wires adjusted 184 



62. Details of guy-posts ' s 1 



6:^. Guy-post and pin on launching-car 184 



64. Experimental type of superposed wings, March 2, 1S99 192 



65. Experimental type of superposed wings, March 2, 1899 192 



66. Details of ribs and fittings for wings 200 



67. Cross-section of ribs 201 



68. Automatic equilibrium devices 212 



69. Mechanism of control 212 



70. Plan view of quarter-size model aerodrome, June 1, 1900 232 



71. Plan view of quarter-size. model aerodrome 232 



72. End, side, and three-quarter elevations of quarter-size model aerodrome -':',2 



7.1. Launching-car with floats 232 



74. Launching-car with floats 232 



75. Quarter-size model aerodrome equipped with superposed surfaces, June 11, 1901. Side 



view 232 



76. Quarter-size model aerodrome equipped with superposed surfaces, June 11. 1901. End 



view 232 



77. Cylinders of engine of quarter-size model aerodrome 233 



78. Engine of aerodrome A. Section through cylinder and drum 236 



79. Engine of aerodrome A. End elevation, port side 236 



80. Engine of aerodrome A. Top plan 236 



si. Engine of aerodrome A. Elevation starboard bed plate, sparking mechanism 236 



82. Dynamometer tests of large engine 248 



83. Dynamometer tests of large engine - 18 



8 I Dynamometer tests of large engine 248 



85. Location of house-boat in center of Potomac River, July 14, 1903 256 



86. Quarter-size model aerodrome mounted on launching-car 260 



87. Quarter-size model aerodrome in flight, August S. 1903 260 



88. Quarter-size model aerodrome in flight. August 8, 1903 260 



89. Quarter-size model aerodrome in flight. August s. 1903 260 



90. Quarter-size model aerodrome in flight, August s. 1903 260 



91. Quarter-size model aerodrome in flight, August 8, L903 260 



92. Quarter-size model aerodrome in flight. August s. 1903 260 



Quarter-size model aerodrome at end of flight, August 8, 1903 260 



94. Hoisting wing of full-size aerodrome 263 



Flight of large aerodrome, October 7, 1903 266 



96. Flight of large aerodrome, October 7, 1903 266 



''7. \. i odi .line being recovered, October 7, 1903 270 



98. Aerodrome in water. October 7. 1903 270 



99. Aerodrome in water. October 7. \'MC 270 



100. Aerodrome in water, October 7. 1903 270 



101. Attempted launching of aerodrome, December 8, 1903 274 



