Inventions Which insurance salesman invented the fountain pen in 1884? George Fountain Lewis Edson Waterman Charles Kettering Sir William Grove George Fountain Lewis Edson Waterman Charles Kettering Sir William Grove ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1800s 1890s 1880s 1900s 1800s 1890s 1880s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Tinkertoys Electric train Yo-yo Raggedy Ann doll Tinkertoys Electric train Yo-yo Raggedy Ann doll ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? There is no sure date 1828 1825 1831 There is no sure date 1828 1825 1831 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Fahrenheit Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Fahrenheit Michael Faraday Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Alexander Graham Bell Jules Levy John Kruesi Thomas Edison Alexander Graham Bell Jules Levy John Kruesi Thomas Edison ANSWER DOWNLOAD EXAMIANS APP
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