John Wood <[log in to unmask]> wrote (in <00b301c34d19$ad56e4a0$1501020a@u
cc.ac.uk>) about 'Odp: private collecting by archaeologists: was in
praise of metaldetecting: was (no subject) private collections', on Fri,
18 Jul 2003:
>Whilst reading all the e-mails on MD I thought I would do a wee bit of
>surfing on the net to see what capability the modern detectors have.
>I was astonished by the CSCOPE CS9000HPX which according to the literature:
>'The optimum object size detectable by the CS9000HPX is about 200 x 200 mm,
>range 1 metre. Limit - up to 3 metres.'
>How many plough soils go too such depths??
>This is a serious stratigraphy trashing treasure finding machine, me thinks.
200 x 200 mm is quite a big lump of metal. That must be uncommon. If
they gave the range for, say, a typical coin, it would perhaps be about
20 cm in some soils.
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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