Taken for Ken Jones, East Wales Area, Scientific Department.
Laboratory Testing for Jeavons Regulator Valve, ex Cwm Colliery (Explosion 1 Nov 1969)
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- ReferenceGB 214 DNCB/14/4/140/205
- Dates of Creation6 Nov 1969
- Physical Description1 Plastic Negative
Scope and Content
Original National Coal Board negative number: D1/703. Original Glamorgan Archives Box number: DNCB/48/1.