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
Photograph at bottom of page 82 closer image of workers in front of machinery. Caption printed in white on photograph reads " Hook Norton - The Brymbo Ironworks". Handwritten, in ink, above print "Geo Goddard", and below, " All at Park Farm 1919".
Crusher, classifier and boom stacker with part of steam excavator to the right, at Park Farm Ironstone Quarry, probably looking north, 1919.
Sketch showing the Hook Norton Ironstone Quarries and the Calcining Kilns drawn by Robert Protheroe Jones, based on 1920 OS 1/10560, in related material file.
