This drawing onsists of a grid of 16 lines using the letters of the name CHE [Guevera]. It also has three diagrams and several lines of Houedard's instructions.A note in Houedard's handwriting on the right side of the page reads "echec / beytil ode by the gloster ods construction company in memory of CHE GUEVARA." The Sackner Archive also holds a similar drawing without the added notations. -- Source of annotation: Marvin or Ruth Sackner.