Grade monoplane
Страна: Германия
Год: 1909

LIFE IN THE OLD DOG YET: Hans Grade flying his 25-year-old Grade monoplane during the "Flying Day" celebrations in Berlin.
Historical interlude at the Tempelhof display - the Grade monoplane of circa 1910
THE "FOREIGNERS": A view of Hall II, showing the British section (in foreground) and, in mid air, a 1914 Grade monoplane and a Rumpler Taube.