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