A remarkable picture showing just how "out" the action holes are, proving that wood lives on.


Relay pallets and their guide pins, with a 50-pence piece for scale.


My answer to the holes being off-vertical and, below, with the puff-board in position.



The relay (in two sections) now in position on the main chest. This shows three of the four flexible wind trunks supplying the relay from the main chest.
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