1 янв 1854 г. - Snow discovers that a pump was the cause of Cholera
Описание:
He tested out a bunch of hypothesis to pinpoint the cause of cholera.Finds out that a baby's diaper was the cause of the cholera
Добавлено на ленту времени:
Дата:
1 янв 1854 г.
Сейчас
~ 170 г назад
