Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Television Early Warning Electricity Telephone Television Early Warning Electricity Telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Charles Goodyear Henry Ford Roy Plunkett Leo Hendrik Baekeland Charles Goodyear Henry Ford Roy Plunkett Leo Hendrik Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1920 1919 1911 1915 1920 1919 1911 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Alexander Graham Bell Thomas Edison John Kruesi Jules Levy Alexander Graham Bell Thomas Edison John Kruesi Jules Levy ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Electric streetcar Chesterfield Sleeping (railway) car Screw propellor Electric streetcar Chesterfield Sleeping (railway) car ANSWER DOWNLOAD EXAMIANS APP
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