In an earlier contribution to this discussion,
Tony Williams wrote:

In article ,
Set Square wrote:

In an earlier contribution to this discussion,
Tony Williams wrote:
[snip]
provided there is a minimum head of 30m above the


It's cobblers, anyway! 1 bar requires a head of about 30 feet -
*not* 30 metres!

My typo. Try 10m.


That's better!

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Cheers,
Set Square
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