Inventions Who invented Bifocal Lens? Benjamin Franklin Rudolf Diesel Alfred B. Nobel Thomas Alva Edison Benjamin Franklin Rudolf Diesel Alfred B. Nobel Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? Lidenbergh Brothers West Brothers Wright Brothers South Brothers Lidenbergh Brothers West Brothers Wright Brothers South Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Harrison Frazier Paul Newman Steve McQueen John Wayne Harrison Frazier Paul Newman Steve McQueen John Wayne ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron X ray machine Cyclotron Nuclear reactor Betatron X ray machine Cyclotron Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover MasterCharge Diner's Club Visa Discover MasterCharge Diner's Club Visa ANSWER DOWNLOAD EXAMIANS APP
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