Inventions Who invented the phonograph? John Kruesi Jules Levy Alexander Graham Bell Thomas Edison John Kruesi Jules Levy Alexander Graham Bell Thomas Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1919 1911 1915 1920 1919 1911 1915 1920 ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Notepad Notice Board Calendar Telephone Book Notepad Notice Board Calendar ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Turbine Jet Engine The brake used in modern elevators Hydraulic Crane Turbine Jet Engine The brake used in modern elevators Hydraulic Crane ANSWER DOWNLOAD EXAMIANS APP
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