Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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A small airplane can fly backwards.
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A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
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Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
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The first hard drive available for the Apple II had a capacity of only 5 megabytes.
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