Dornier Do X I flying boat, 1920s, (1932). The Dornier Do X, produced by the Dornier company of Germany in 1929, was the largest, heaviest, and most powerful flying boat in the world at the time. From "Die Eroberung Der Luft", (The Conquest of the Air), cigarette card album produced by the Garb?ty cigarette factory, 1932. Eugene and Moritz Garb?ty, who were Jewish, were driven out of business by the Nazis in the late 1930s, and forced to sell their factory which lay empty for over 70 years. [Garbaty Cigarettenfabrik, Berlin-Pankow, 1932]