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    View looking north-east from Floor 0 of counter-balance incline plane (centre of image) operating between Floor 3 and Floor 0 of Diffwys Slate Quarry.Opsiynau lawrlwytho a prynu
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    NPRNTeitlMath O SafleArchifauDelweddauNPRN421270TeitlCounter-Balance Incline, Floor 3 to Floor 0, Diffwys Slate QuarryMath O SafleINCLEIN GWRTHBWYSOArchifau2Delweddau1