In case (like me!) you were wondering what a hydraulic ram is (and is used for), Wikipedia has an informative article.
----- Original Message -----
Sent: Tuesday, March 27, 2012 7:03 PM
Subject: [ordnancemaps] Re: H Ram?
--- In ordnancemaps@..., John Davies <John@...> wrote:
> Explorer OL9 (Exmoor) has at least four instances of the label 'H Ram'
> northeast of Dulverton. Could be something to do with springs or water
> supply (but it's in black not blue ink). Any suggestions?
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