Original listing has the the following heading 'Mr A Smith - Photomicrographs'.
Photomicrograph, Elan Valley Grit
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- ReferenceGB 214 DNCB/14/4/140/102
- Dates of Creation29 Sep 1960
- Physical Description1 Glass Plate Negative
Scope and Content
Original National Coal Board negative number: D1/297. Original Glamorgan Archives Box number: DNCB/48/17.