A) 1880 B) 1900 C) 1920 D) 1950
A) Ferdinand von Zeppelin B) Alexander Graham Bell C) Leonardo da Vinci D) Thomas Edison
A) United Kingdom B) United States C) Germany D) France
A) The Hindenburg disaster B) Competition from airplanes C) High maintenance costs D) Lack of public interest
A) Hugo Eckener B) Amelia Earhart C) Charles Lindbergh D) Howard Hughes
A) Cargo delivery B) Scientific research C) Military reconnaissance D) Passenger transportation
A) Oxygen B) Nitrogen C) Helium D) Hydrogen
A) 150 meters B) 128 meters C) 90 meters D) 200 meters
A) Airship Alpha B) LZ 1 C) Sky Master D) Flying Vapor |