Boiler, working model.

Model live steam boiler.
 
The boiler is 67mm in diameter and aprox 280mm tall plus 200mm chimney.
There is 6 x 10mm fire tubes.
The base is aprox 90mm square.
Water gauge, valve, plugs and safety valve are included!
Presure tested to 120Psi.
Safety valve set to 45Psi.
All high temp silver soldered with phospher bronze bushes.
Safety valve is 5/16 thread for easy filling.
There is a small super heater pipe within the top cover.
All other bushes are threaded 1/4 x32tpi with two spare bushes for adding a water pump and presure guage, supplied with plugs.
No burner suplied with this, it runs fine on solid fuel tablets or a veriety of burners would fit in the fire box.