Langley Memoir on Mechanical Flight, Parts I and II / Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911

by S. P. Langley; Charles M. Manly

PL. 70. PLAN VIEW OF QUARTER-SIZE MODEL AERODROME, JUNE 1, 1900 [◊]

PL. 71. PLAN VIEW OF QUARTER-SIZE MODEL AERODROME [◊]

PL. 72. END, SIDE, AND THREE-QUARTER ELEVATION OF QUARTER-SIZE MODEL AERODROME [◊]

PL. 73. LAUNCHING-CAR WITH FLOATS [◊]

PL. 74. LAUNCHING-CAR WITH FLOATS [◊]