Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? T. Henman S. Sperrow O. Stricheg C. Cockerell T. Henman S. Sperrow O. Stricheg C. Cockerell ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Radio-Telegraphy Computers Telescopes Steam Boating Radio-Telegraphy Computers Telescopes Steam Boating ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Model airplanes Rubber boot Pneumatic rubber tire Automobile wheel rim Model airplanes Rubber boot Pneumatic rubber tire Automobile wheel rim ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Potato Peterson Swede Svenson Cabbage Carlson Turnip Townsend Potato Peterson Swede Svenson Cabbage Carlson Turnip Townsend ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
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