Prof. Dr. Hans Reißner built this canard in the experimental workshop of Junkers that was connected to the “Technische Hochschule Aachen”.
First flying on 23 May, 1912, in second form after having been rebuilt (in the third form, it got four fins under the mainplane).
According to G. Schmitt several versions were built and also flown. The Swiss Robert Gesell presented the machine over a few weeks in Johannisthal at the end of 1912.
All Aero 