Hi -
Whellan's 'History, Topography and Directory of the County Palatine of
Durham, 1894, mentions the following County Durham collieries which used
electric lighting undergrond :
Broom Park Colliery Elemore Colliery (using 'Arc'
incandescent lighting)
Hetton Colliery Lady Durham Colliery
Margaret Pit, Newbottle Ouston 'E' Colliery
Westwood Colliery
Alan.
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