On Wednesday, March 6, 2002, at 11:01 PM, Rick Stewart wrote:
> Can anybody either expand on the following or point me in the direction
> of
> references:
>
> 1. Burt (1982): "The first important trials of drilling machinary in
> England appear to have been made in the lead mines belonging to the
> great
> Beaumont mining complex of the North Pennines, between 1863 and 1865,
> but
> they achieved no real success."
>
Probably, Raistrick & Jennings, A Brief History of Lead Mining in the
Pennines, 1965.
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