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