Manufactured by "Winter Instruments" (Jungingen, Germany) 05.12.1973. This Altimeter (Altitude Meter in Millibar) came from a Schleicher K-8 glider in Austria. Model Number: 4HM6 Manufacture Number: 82077 (German: Werk-No:) Seen listed for US$220. A rare find and nice piece for anyone restoring vintage planes/gliders from the 1960-80's. The instrument was in working order when taken from the plane in the 1990's. It has not been tested or overhauled.