Inventions What toy was invented by Joshua Lionel Cowen around 1900? Yo-yo Tinkertoys Electric train Raggedy Ann doll Yo-yo Tinkertoys Electric train Raggedy Ann doll ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey G. Findus F. Rozenosh R. Scott C. Birdsey G. Findus F. Rozenosh R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Time-lock safe Automatic teller machine Burglar alarm Pay telephone Time-lock safe Automatic teller machine Burglar alarm Pay telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? South Brothers Lidenbergh Brothers West Brothers Wright Brothers South Brothers Lidenbergh Brothers West Brothers Wright Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Early Warning Television Electricity Telephone Early Warning Television Electricity ANSWER DOWNLOAD EXAMIANS APP