A Gas tank for the
Hornby Rocket Locomotive.
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Mirror polished brass boiler, diameter 65 mm, length 165 mm, boiler capacity 500 cm³, with water gauge glass, water drain cock. Boiler house true to life, coloured, with embossed brick type walls,2 footbridges with railing and 2 ladders.

Double action reversible brass cylinder with flywheel, spring loaded safety valve,  additional steam whistle with chain, pressure gauge, steam regulator, flywheel of 100 mm diameter with grooved pulley, sturdy attractive die-cast piston rods, steam jet oiler, centrifugal governor; with feeding water pump, so the steam engine can be filled with water while in operation.
 
The condensed water is fed to a tank hidden behind the boiler house,
causing the chimney to smoking realistically.
Finely painted metal base plate 290 x 350 mm.
Height, including smoke stack, 320 mm.