When was the first elevator built?
1743
1739
1760
1785
Additional Questions
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What charge card, developed in 1950, was the first to be accepted nationally in the US? |
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What Enrico Fermi invented? |
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Which of the following was first patented by an Australian in 1889? |
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Who among the following invented the small pox vaccine? |
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What George Westinghouse invented? |
Answer |
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Who is the only U.S. President to invent and patent something? |
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What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? |
Answer |
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Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? |
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What Thomas Davenport invented? |
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What Elisha Otis invented? |
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