Inventions Who invented Dynamite? Sir Alexander Graham Bell Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Benjamin Franklin Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Radio Bifocal spectacles Hygrometer Barometer Radio Bifocal spectacles Hygrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1915 1923 1942 1934 1915 1923 1942 1934 ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Alessandro Volta John Wilkinson Thomas Edison James Hargreaves Alessandro Volta John Wilkinson Thomas Edison James Hargreaves ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Calculator Remote control VCR Microwave oven Calculator Remote control VCR Microwave oven ANSWER DOWNLOAD EXAMIANS APP
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