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O.B. Bolton Marine Triple Expansion Steam Engine using castings by AJ Reeves, drawings by John Bertinat

Not so much a progress update, but more an update on purchases needed to finalise the design of some additions to the original drawings.

I have purchased the three gauges for monitoring the valve chest pressures. There are three different ranges on the scales as pressure drops in each valve chest

I have also purchased six small Globe valves for the cylinder drains.Adapter pieces will need turning to connect to the cylinder blocks due to the tapering nature of the block.

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