Top Nozzle Middle chamber here are the three valve spindles left hand is the Inlet, middle is the Equilibrium, right hand is the valve whitch steam can be turned on or off. This arangment is unusual the Equilibrium valve is usually placed at one end November 1987
This photograph is by Scoggan and was uploaded June 4th 2009. © Scoggan please do not copy or distribute without prior express permission.
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