I came across this fireless steam locomotive at the Chemnitz Museum of Industry. It used to work in industrial facilities where no open fire was allowed. For example, you could find them in mines, and food or chemical factories.
Chemnitz Museum of Industry
The museum in a former foundry tells about important fields of the industrial Saxony. You learn about the tools of mining and the textile industry as well as the social impacts of industrialisation.
Saxon Museum of Industry
The Saxon Museum of Industry is a special purpose association with the Chemnitz Museum of Industry as one of its members. The other incorporated locations are: