On Fri, 6 Jan 2006 12:13:09 -0000, "Doctor Drivel"
wrote:


| Three rads. in at bottom on first. The centre is connected via the tops to
| each either side and the return at the bottom of the last. It keeps the
| temps along the three more even.

Oops! no connection to middle bottom.
--
Dave Fawthrop dave hyphenologist co uk
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