Inventions When was the toothbrush invented? 1790 1765 1742 1770 1790 1765 1742 1770 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Jet propulsion Ethyl gasoline Radar Sonar Jet propulsion Ethyl gasoline Radar ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Radio-Telegraphy Computers Steam Boating Telescopes Radio-Telegraphy Computers Steam Boating Telescopes ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? S. Sperrow T. Henman C. Cockerell O. Stricheg S. Sperrow T. Henman C. Cockerell O. Stricheg ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Alexander Graham Bell John Kruesi Thomas Edison Jules Levy Alexander Graham Bell John Kruesi Thomas Edison Jules Levy ANSWER DOWNLOAD EXAMIANS APP
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