1) An alternative word for the ‘dial’ which miners used for surveying underground. These valuable instruments were probably in the hands of viewers or agents.
1760-1 Gave Mr Scatcher for lent [loan] of his Glass twice 1s 6d
1763 For Mr Eltoft Glass mending 8d, Tong. There are more frequent references to ‘dial’ in lead-mining records and the use of the instrument is described in some detail by Raistrick and Rieuwerts.