Small Grasshopper beam engine

A well-engineered live steam model of a Half Beam or Grasshopper beam engine, model engineer built from cast and turned gun-metal. The pieced end support and A framed support with steam chest and valve mounted to the outside with eccentric link to the crank and displacement oiler fitted. The model is unpainted and has a spoked flywheel. Diameter 13.5cm. Base 17cm x 8cm. Overall height 17cm.