23 авг 1778 г. - first usable steam engine was made
Описание:
made by Josef Madersperger, Elias Howe, Barthélemy Thimonnier and Walter Hunt. the steam engine was used for many things over time but was used mainly to assist all manual labour.date c.1778
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Дата:
23 авг 1778 г.
Сейчас
~ 247 г назад