For the elapsed time and different erroneous transcriptions, this name, which we had controlled as "Dhenain", has reached us.

-Although for the type of document of the time it seems that the correct one is also "D'henian".

-Yes, it is said in the main text that it is the man who presented a seven-cylinder radial and rotary engine in the 1913 Paris Air Show. More powerful than the 12 hp he came with the previous year.

-It is an unusual design because crankcase and cylinders were in one piece.