4 Свободни изкуства за Steam Engine Foundations

Foundations for horizontal steam engine (New Catechism of the Steam Engine, 1904)
Foundations for horizontal steam engine, end view (New Catechism of the Steam Engine, 1904)
Foundations for high-speed self-contained engine (New Catechism of the Steam Engine, 1904)
Bates-Corliss horizontal engine (New Catechism of the Steam Engine, 1904)
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