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3 1/2 inch gauge "Britannia" - stock code 7721

A 3 1/2 inch gauge "Britannia" to the LBSC design - very much a basic build with no "blobs and gadgets" as the great man might have said.

Silver soldered superheated copper boiler, 80psi working pressure, feed by injector and axle pump with hand pump in the tender. Gunmetal cylinders with piston valves actuated by Walschaerts gear with screw reverser in the cab.

Complete with a box of loose parts including tools, spare name and number plates and components for the tender ladder.

gauge 3 1/2 inch
length/inches 53
width/inches 7
height/inches 11
wheel material cast iron
cylinder material gunmetal
valve type piston
valve gear Walschaerts
reverser type screw
lubricator type mechanical
injector(s) 1
working pressure/psi 80
boiler type locomotive
boiler material copper
boiler construction silver soldered
hydraulic test valid to 27-Nov-2021
safety valve(s) 2
safety valve type spring
mechanical pump yes
hand pump yes