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Amgueddfa Cymru – Museum Wales
Two copies of a technical drawing printed in black ink on off-white paper. 88.99I/26 (1) has some details drawn in green, blue, purple, orange and yellow ink. There are four holes punched along the left hand side. 88.99I/26 (2) has some details drawn in orange ink and pencil. There are two holes punched along the left hand side. National Coal Board S.W. Division Area No.9. Abernant Colliery General Sections. Scale 1:10560 Dated 7.4.55.
