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