Mae'r cwcis hyn yn gwbl angenrheidiol ar gyfer weithrediad y wefan.
Rydym yn defnyddio Google Analytics i fesur sut ydych yn defnyddio'r wefan er mwyn i ni ei wella yn seiliedig ar angen defnyddwyr.
Gall y cwcis hyn gael eu gosod gan wefannau trydydd parti a gwneud pethau fel mesur sut rydych yn gwylio fideos YouTube.
Amgueddfa Cymru
A pebble of fine-grained Old Red Sandstone has been neatly squared and used in a variety of ways: a) the top and bottom surfaces show polish and may have been used for polishing rather than wetting; b) the left side is dished and has probably been used for whetting; c) the squared ends have been artificially bruised or pitted; d) the lower end is markedly facetted.
Enw'r Safle: Dinas Powis, Vale of Glamorgan
Nodiadau: Section 5, Cut XVII, Layer (12), Context- A/O? A: Powdery soil, usually light in colour with some stone, much bone, charcoal flecking. O: A spread of Ash and charcoal on the old ground surface, sometimes associated with built hearths.
