21 май 1776 г. - Watt steam Engine
Описание:
The Watt steam engine, alternatively known as the Boulton and Watt steam engine, was the first practical steam engine and was one of the driving forces of the industrial revolution.Добавлено на ленту времени:
Дата:
21 май 1776 г.
Сейчас
~ 249 г назад