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