Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Dishwasher Radio Television Telegraph Dishwasher Radio Television ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1920 1919 1915 1911 1920 1919 1915 1911 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Turnip Townsend Potato Peterson Swede Svenson Cabbage Carlson Turnip Townsend Potato Peterson Swede Svenson Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater ANSWER DOWNLOAD EXAMIANS APP
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