Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Automatic teller machine Burglar alarm Time-lock safe Pay telephone Automatic teller machine Burglar alarm Time-lock safe Pay telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1900s 1800s 1880s 1890s 1900s 1800s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Electricity Early Warning Television Telephone Electricity Early Warning Television ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Woodie Guthrie Jethro Tull Thomas Hines Arlo Guthrie Woodie Guthrie Jethro Tull Thomas Hines Arlo Guthrie ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Cracker Jacks Banana split Cotton candy Popsicle Cracker Jacks Banana split Cotton candy Popsicle ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP