sentences:  He also constructed another aircraft, the Type VI, notable for its use of a rear-mounted horizontal stabiliser and also featuring dihedral in an attempt to obtain lateral stability.In June 1905 Ferber wrote to the Wright Brothers offering to buy one of their machines.The Wrights were unwilling to do this but their reply, dated 9 October 1905, detailed the flights they had recently made, and so Ferber was the first European to learn of these achievements.