A James Booth rectilinear engine of 1843 model was designed by Anthony Mount.

A grasshopper beam engine.

A cross kill's oscillating engine model was designed by Anthony Mount.

R&B Gas Engine
You can find the project build info here.

Part built horizontal mill engine.
Castings and drawings supplied by GLR Kennions.
Timing eccentric and valve assembly, water pump and valve rod yet to be made.
Assembly to be made on completion of all the items.

An interesting model of a vertical boiler locomotive.

Some of the castings for a double steam engine with some machining work.