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11h 58min, may 16, 1775 y - S Shaped Drain

Description:

As part of continued sanitation development, Alexander Cummings, a watchmaker, developed the S-shaped pipe under the toilet basin to keep out smells.

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History of Pathogens

14 Dec 2018

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Date:

11h 58min, may 16, 1775 y

Now

~ 250 years ago

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