Original envelope annotated 'Dr Harris, Sampling'.
Coal Sampling Equipment - Riffle Sampler and Containers
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- ReferenceGB 214 DNCB/14/4/140/8
- Dates of CreationFeb 1951
- Physical Description1 Glass Plate Negative
Scope and Content
Original National Coal Board negative number: D1/20. Original Glamorgan Archives Box number: DNCB/48/2.