Inventions Who invented the battery? John Wilkinson James Hargreaves Thomas Edison Alessandro Volta John Wilkinson James Hargreaves Thomas Edison Alessandro Volta ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1950s 1970s 1960s 1940s 1950s 1970s 1960s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Bifocal spectacles Hygrometer Radio Barometer Bifocal spectacles Hygrometer Radio Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Television Telegraph Radio Dishwasher Television Telegraph Radio Dishwasher ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Frisbee Ping Pong Monopoly Ouija board Frisbee Ping Pong Monopoly Ouija board ANSWER DOWNLOAD EXAMIANS APP