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