Part set Rider Ericsson hot air engine castings

A part set of 3 inch scale Rider Ericsson hot air engine castings in LM4 aluminium, comprising all the major parts part-machined to a decent standard. There's a picture of a decent finished specimen in the archive, parts and drawings are still available from Camden Miniature Steam Services.

Height 16 inches
Flywheel 9 inch diameter