A Tandem-Compound Steam Engine, driving a Flywheel Generator in the old Gasworks in Schlieren, just outside Zürich/Switzerland. The Engine initially powered the Gas Works and later was used as Emergency Generator, after the Gas Works was connected to the Power Grid. The Engine was built in 1904 by Sulzer in Winterthur, the Generator was built by Maschinenfabrik Oerlikon (MFO) in Zürich-Oerlikon. It was restored and is maintained by Technikgeschichtlicher Verein Zürcher Unterland (TGVZU), and is ran publicly four Times per Year.

00:00 Introduction
03:55 Compounding
08:12 Valve Gear
12:26 Flyball Governor
14:23 Lubrication
18:34 Condenser
20:30 Generator