Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Leisure suit Eight-track tape deck Hot comb Lava lamp Leisure suit Eight-track tape deck Hot comb Lava lamp ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Turbine Jet Engine Hydraulic Crane The brake used in modern elevators Turbine Jet Engine Hydraulic Crane The brake used in modern elevators ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1800s 1890s 1880s 1900s 1800s 1890s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1790 1742 1765 1770 1790 1742 1765 ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Radio Television Telegraph Dishwasher Radio Television Telegraph Dishwasher ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
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