Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1977 1987 1973 1983 1977 1987 1973 1983 ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1765 1790 1742 1770 1765 1790 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1870s 1890s 1810s 1840s 1870s 1890s 1810s ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Car door reflecting mirrors Sun light on steel posts on road sides The light a cat's eyes gave off on a fence The sun light on the windshield Car door reflecting mirrors Sun light on steel posts on road sides The light a cat's eyes gave off on a fence The sun light on the windshield ANSWER DOWNLOAD EXAMIANS APP
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