1 янв 1854 г. - John Snow: The Broad Street Pump
Описание:
1854, Soho, John Snow, & The Broad Street Pump had Cholera, vs. 7% of people drinking from another pump, even identified "patient zero" as baby with diapers that blocked cesspool <3 feet from the pump's shaft, it was dirty water (not miasma aka bad air)
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Diseases and The History of Them Among The World
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