Inventions What Thomas Davenport invented? Chesterfield Electric streetcar Sleeping (railway) car Screw propellor Chesterfield Electric streetcar Sleeping (railway) car Screw propellor ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? The brake used in modern elevators Jet Engine Hydraulic Crane Turbine The brake used in modern elevators Jet Engine Hydraulic Crane Turbine ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines United States England France Philippines United States England France ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Vending Machines Traffic Lights Parking Meters Automatic Telephone Exchanges Vending Machines Traffic Lights Parking Meters Automatic Telephone Exchanges ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1870s 1890s 1840s 1810s 1870s 1890s 1840s 1810s ANSWER DOWNLOAD EXAMIANS APP