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Title: Anyone ever tried one of these. Post by: Charles Cater on April 14, 2009, 09:53:36 AM I bought a detector many years ago and it was called a Groundhawk. This pic shows what it looked like at the top. The pic isn't a good one but at the time I was on my own and borrowed a spade from the farmer to tie the camera to.
.It as ken on sensitivity, so much so that I thought there was something wrong with it and abandoned it eventually. I think it had valves in it. Title: Re: Anyone ever tried one of these. Post by: hedgehog on April 14, 2009, 04:23:59 PM Like it Charles , were there valves under the woolly hat too? ;D
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