3 Свободни изкуства за Jet Condensers

Jet condenser (New Catechism of the Steam Engine, 1904)
Conover jet condenser and air pump (New Catechism of the Steam Engine, 1904)
Diagonal compound paddle engine, jet condensing (Rankin Kennedy, Modern Engines, Vol V)
1 - 3 z celkového počtu 3
/ 1