Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove Lewis Edson Waterman Charles Kettering George Fountain Sir William Grove Lewis Edson Waterman Charles Kettering George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Hot air balloon Diving bell Steam boat Rotary steam engine Hot air balloon Diving bell Steam boat Rotary steam engine ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Pneumatic rubber tire Automobile wheel rim Rubber boot Model airplanes Pneumatic rubber tire Automobile wheel rim Rubber boot Model airplanes ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey F. Rozenosh R. Scott G. Findus C. Birdsey F. Rozenosh R. Scott G. Findus ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? France England Philippines United States France England Philippines United States ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? West Brothers South Brothers Wright Brothers Lidenbergh Brothers West Brothers South Brothers Wright Brothers Lidenbergh Brothers ANSWER DOWNLOAD EXAMIANS APP