3 сент 1854 г. - John Snow Starts His Investigation
Описание:
Snow has waited for another outbreak to prove his theory that Cholera is a waterborne illness (Page 76). He and Rev Whitehead are searching the empty streets for answers. (Page 77).Добавлено на ленту времени:
Дата:
3 сент 1854 г.
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~ 171 г назад