Inventions What Thomas Davenport invented? Electric streetcar Chesterfield Screw propellor Sleeping (railway) car Electric streetcar Chesterfield Screw propellor Sleeping (railway) car ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Nuclear reactor Betatron Cyclotron X ray machine Nuclear reactor Betatron Cyclotron X ray machine ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Parking Meters Vending Machines Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines Automatic Telephone Exchanges Traffic Lights ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Golf tee Hang glider Water skis Motorboat Golf tee Hang glider Water skis Motorboat ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Popsicle Banana split Cotton candy Cracker Jacks Popsicle Banana split Cotton candy Cracker Jacks ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1810s 1840s 1870s 1890s 1810s 1840s 1870s 1890s ANSWER DOWNLOAD EXAMIANS APP
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