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
Three pages attached with a paperclip (the three pages have been given separate subnumbers although they are part of the same report). Two pages typed in black ink on cream paper, and a third page containing a hand drawn flow sheet. Report by the H.M. Inspector/Medical inspector of Factories into the health and safety issues relating to the manufacture of silica flour at Colin Stewart Ltd., Coed Talon. Dated 18th May, 1947. Also attached is a flow sheet showing production at Colin Stewart Ltd, Coed Talon