Inventions What toy was invented by Joshua Lionel Cowen around 1900? Raggedy Ann doll Yo-yo Tinkertoys Electric train Raggedy Ann doll Yo-yo Tinkertoys Electric train ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Jet propulsion Radar Ethyl gasoline Sonar Jet propulsion Radar Ethyl gasoline Sonar ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Shaver Electric Drill Electric Heater Electric Fence Electric Shaver Electric Drill Electric Heater Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Burglar alarm Automatic teller machine Time-lock safe Pay telephone Burglar alarm Automatic teller machine Time-lock safe Pay telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Thomas Edison James Hargreaves Alessandro Volta John Wilkinson Thomas Edison James Hargreaves Alessandro Volta John Wilkinson ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1870s 1810s 1890s 1840s 1870s 1810s 1890s 1840s ANSWER DOWNLOAD EXAMIANS APP
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