Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Television Electricity Early Warning Telephone Television Electricity Early Warning Telephone 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 African-American inventor received 5 patents in the field of shoemaking? Ernest Just Elijah McCoy Jan Ernst Matzeliger Lewis Latimer Ernest Just Elijah McCoy Jan Ernst Matzeliger Lewis Latimer ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Electric mixer Washing machine Vacuum cleaner Blender Electric mixer Washing machine Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Dynamite Race cars Parachute Ladders Dynamite Race cars Parachute Ladders ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? Sir Frank Whittle Kirkpatrick Macmillan John J. Loud Lewis E. Waterman Sir Frank Whittle Kirkpatrick Macmillan John J. Loud Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
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