• publisher: Washington, D.C., Press of Judd & Detweiler, inc.
  • creator: Bell, Alexander Graham, 1847-1922 Adler, Cyrus, 1863-1940
  • contributor: Adler, Cyrus, 1863-1940.
  • Keyword: Aeronautics. Flying machines.
  • years: 1907.
  • pages: 34 p.
  • class: TL545
  • download: pdf file