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
Postcard, not dated, showing ballons in Westgate Street, Cardiff. View of the rear end of an airship inside a building. In front are rows of what are presumably the people who built the ship (almost all female). On reverse H.McK poses the question "Is this possibly the balloon factory in Westgate Street?" "The Staff of the Willow's Aircraft Co. Ltd in 1918 with some of the kite balloons they constructed in a building in Westgate Street, Cardiff, which had been used as an American roller-skating rink." as described by Alec McKinty (plate.27). See bibliography.
