Gregory Lead Mine
of Ashover, Derbyshire.
1774 Pumping engine installed by Francis Thompson
1782 Heavy disbursements were made by the Gregory Company to both Thompson and to Boulton and Watt, probably in connection with a new engine and pump shaft, indicating a certain association between the three concerns.[1]
1917 Detail of 18th Century pumping engine published in The Engineer 1917/02/09.
See Also
Sources of Information
- ↑ The Engineer 1917/02/09