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Old 21st September 2010, 02:51 PM
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Full Name: Jim Wilkinson
Join Date: Nov 2007
Location: Somerset.
Posts: 6,204
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I think its a 'Church' patent circular slide valve, which dates from the 1880's. but the rest of it looks like a BB1 !
I think the bioiler is a Ransomes, & their patented firebox.
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