Physical description

Siemens DC generator driven by a Thompsons two cylinder steam engine.
The engine has vertical cylinders and there is a flywheel between the generator and engine.
Generator painted grey, engine painted red.
The system is connected to low pressure steam and can be run very slowly.

Inscriptions & markings

Brass plate on generator "Siemens Brothers / Dynamo Works Ltd. / London Stafford / Direct Current Generator", followed by specifications.
Thompsons Engineering in relief on steam engine side plates. "60" on base of engine.