This section is from the book "The Adventurous Life Of A Versatile Artist: Houdini", by Harry Houdini. Also available from Amazon: The Adventurous Life of a Versatile Artist; Houdini.
The World Famous Self-Liberator Houdini,
Presenting the Greatest Performance of his Strenuous Career, liberating himself after being Locked in a (Houdini's own Invention) whilst Standing on his Head, his .Ankles Clamped and Locked above in the centre of the Massive Cover.
A Feat Which Borders On The Supernatural $1,000 _
HOUDINI offers this sum to any one proving that it is possible to obtain air in the upside-down position in which he releases himself from this Water Filled Torture Cell.