A) 1900 B) 1880 C) 1950 D) 1920
A) Ferdinand von Zeppelin B) Thomas Edison C) Alexander Graham Bell D) Leonardo da Vinci
A) United Kingdom B) United States C) France D) Germany
A) Lack of public interest B) Competition from airplanes C) The Hindenburg disaster D) High maintenance costs
A) Amelia Earhart B) Howard Hughes C) Charles Lindbergh D) Hugo Eckener
A) Scientific research B) Passenger transportation C) Military reconnaissance 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 |