They say necessity is the mother of invention, but these '80s inventions might leave you scratching your head. They say necessity is the mother of invention, but these '80s inventions might leave you ...
What do a musical typewriter, a pill crusher, and a record-playing car have in common? They were all gadgets pitched by hopeful inventors.In 1982, a reporter explored the floor of an invention trade ...
Includes drawings of unusual inventions submitted to the patent office with clues to aid the reader in guessing the purpose of each invention. https://siris-libraries ...
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