11 h 58 m, 16 mayo 1775 año - S Shaped Drain
Descripción:
As part of continued sanitation development, Alexander Cummings, a watchmaker, developed the S-shaped pipe under the toilet basin to keep out smells.
Añadido al timeline:
fecha:
11 h 58 m, 16 mayo 1775 año
Ahora mismo
~ 249 years ago