Luftfahrzeug-Gesellschaft, Parseval, August von, Stöwer, Willy, 1864-1931, ill, Gebr. Radetzki, printer · Berlin : Luftfahrzeug-Gesellschaft m.b.H. · leaf 10
Lieutenant Stelling, ventilator, the hull comprises the following parts: the main valve for the well-known pilot of the Parseval Airships. emptying the gas, the double air-valves with the feed-pipes for the ballonnets, two horizontal stability planes in the rear, a vertical stability-fin to which…