Swedish Steamships

Steamship Freja af Fryken from Fryksta

The engine room onboard SS Freja af Fryken

Fire tube boiler with one furnace.

A front view of the single cylinder steam engine.

The back side of the steam engine with Stephenson's reversing link motion and the expansion slide valve rod.

To the left of the picture are the quadrant and the slide valve rod.
To the right is the expansion slide valve rod, linked from the quadrant.
The rightmost lever is used to adjust the expansion slide rod's length of stroke.