Absolutely Mad Inventions

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Dover Publications, 1970 - Humor - 125 pages
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Is the world ready for a tie pin that can be eaten in case of sudden hunger? Or a railroad train that avoids collisions by climbing on top of the opposing train? Or a privy seat that will throw to the ground anyone who tries to stand on it? Or a man's hat that will automatically tip itself in greeting when the wearer nods slightly? All these--and more--are inventions on which patents have actually been granted by the United States Patent Office, and which authors Brown and Jeffcott have unearthed for our edification, entertainment, wonder, and at times bewilderment.

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