THE SANTOS-DUMONT BALLOON 1901 Scientific American August 10,
1901 page 89 The balloon of M. Santos - Dumont, which made a
successful trip across Paris, as recorded in the SCIENTIFIC
AMERICAN for July 27, is the fifth which he has built, and we
are now enabled to give some detailed views of this remarkable
airship. The balloon proper is cylindrical and is covered with
silk, its extremities being pointed. It is 111 feet long, and
its cubical capacity is 19,300 feet. Suspended by piano wire
some 35 or 40 feet below the balloon is a light framework whose
profile very much resembles that of the balloon proper. The
framework is triangular in section, and is formed of three long
pieces of wood, secured at the end and strengthened by cross-
bracing and steel wires. This framework supports a four-
cylinder, sixteen horse power motor of the Dion-Bouton type, the
fuel reservoir, the shaft and the propeller. The engine is
placed well toward one end, and the aeronaut rides in a light
basket at the other end. Here he has un