The life boat was patented in 1845!
29
Whale oil was used in automobile transmissions as late as 1973.
56
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Originally, BMW was an airplane engine manufacturer.
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