Etrich Taube monoplane.- A flying scale model of an Etrich Taube monoplane , two-seater wooden cockpit, with model pilots, fabric-covered wooden fuselage, decorated with German insignia in chalk, soiled, wings adjustable by bracing wires, one partially detached, rubber-tyred main undercarriage, tail skid, motor with dummy engine and vertical exhaust stacks, wooden propeller, wing span 1290mm, length 1030mm . ***In 1911, Italian aviator Giulio Gavotti dropped the world's first aerial bomb from his Taube monoplane, over the Ain Zara oasis in Libya.