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11 ore 58 min, 16 magg 1775 anni - S Shaped Drain

Descrizione:

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

Aggiunto al nastro di tempo:

History of Pathogens

14 dic 2018

1

0

529

Data:

11 ore 58 min, 16 magg 1775 anni

Adesso

~ 250 years ago

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