Aerial Mono-Flyer of the Future (1918)
The August , 1918 cover of Hugo Gernsback’sElectrical Experimentermagazine featured the “ aerial mono - flyer of the time to come . ” This monorail seems like only a modest melioration in safety over the 1930 ’s rubber-necking demise - trap known as thesky toboggan . But the mono - bill is assuredly a less safe concept than the monorail ofWilliam H. Boyes , built around 1911 . This ikon was found in the bookOut of metre : Designs for the Twentieth - Century Future ....