Inventions What Thomas Davenport invented? Chesterfield Electric streetcar Screw propellor Sleeping (railway) car Chesterfield Electric streetcar Screw propellor Sleeping (railway) car ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? John Wilkinson Alessandro Volta James Hargreaves Thomas Edison John Wilkinson Alessandro Volta James Hargreaves Thomas Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Automatic Telephone Exchanges Vending Machines Parking Meters Traffic Lights Automatic Telephone Exchanges Vending Machines Parking Meters Traffic Lights ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Nuclear reactor Cyclotron Betatron X ray machine Nuclear reactor Cyclotron Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Turbine Jet Engine Hydraulic Crane The brake used in modern elevators Turbine Jet Engine Hydraulic Crane The brake used in modern elevators ANSWER DOWNLOAD EXAMIANS APP
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