Inventions Who invented Jet Engine? Gottlieb Daimler Sir Frank Whittle Roger Bacon Lewis E. Waterman Gottlieb Daimler Sir Frank Whittle Roger Bacon Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Charles Kettering George Fountain Sir William Grove Lewis Edson Waterman Charles Kettering George Fountain Sir William Grove ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Screw propellor Chesterfield Electric streetcar Sleeping (railway) car Screw propellor Chesterfield Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Traffic Lights Vending Machines Parking Meters Automatic Telephone Exchanges Traffic Lights Vending Machines Parking Meters Automatic Telephone Exchanges ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? West Brothers Wright Brothers South Brothers Lidenbergh Brothers West Brothers Wright Brothers South Brothers Lidenbergh Brothers ANSWER DOWNLOAD EXAMIANS APP
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