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1 янв 1807 г. - Invention of a Mining Air Pump

Описание:

Invented in 1807 by John Buddle the air pump allowed for noxious fumes from the coal mines to be pumped out of the tunnels which decreased the health risk for miners

Добавлено на ленту времени:

Дата:

1 янв 1807 г.
Сейчас
~ 218 г назад