It was built by Mr. H. W. Franklin, who was closely associated with the Bassett-Lowke company of Northampton, and whose products were often tested on its 0.75 mi (1.2 km) of track.
The privately run railway opened in 1920, and ceased operating with the onset of the Second World War, around 1939.
[1] According to Wenman Joseph Bassett-Lowke, the RMR had a length of "all but 0.75 miles (1.2 km), and among its attractions are an up-to-date station, a tunnel, viaducts, embankments and cuttings ... and several over-bridges, together with a complete system of signalling."
Other features included sidings, engine and carriage sheds, a water tower and a turntable.
An adaptation of a Raven design of three-cylinder Atlantic, as ran on the North Eastern Railway.