After Second World War Bruno Nagler emigrated to USA and formed Nagler Helicopter Co. Inc., building NH-160 helicopter (February 1955) and VG-1 Vertigyro able to fly in several modes; see Vertidynamics.
After Second World War Bruno Nagler emigrated to USA and formed Nagler Helicopter Co. Inc., building NH-160 helicopter (February 1955) and VG-1 Vertigyro able to fly in several modes; see Vertidynamics.