1904, Wiener Luftschiffer Zeitung, p.251

Artur Boltzmann, famed Austrian balloonist, witnessed Thomas Baldwin assembling his gondola and installing his Whitehead motor in the days prior to the Louisiana World's Fair. His report appeared on page 251 of the Nov. 1904 issue of "Wiener Luftschiffer Zeitung:

English translation:

"In a neighboring shed, Mr. Baldwin from San Francisco had set up his workshop. The framework of his balloon/dirigable's gondola is made of wooden rods with triangular cross-section. The Whitehead Motor from Bridgeport, Conn., U.S.A., has already been installed and work is now being performed on the air-screw which will be attached to the end of the long drive shaft. Next to it - also from San Francisco - is his balloon, still in its packing crate."