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
trade catalogue for Summit Swiss Watches, issued by sole British distributors Julius Isaacs & Co. Ltd; front and back covers printed in blue, black and white, with watches illustrated in front of background of Alpine scenery; contains black and white photographs of Summit watches; also other makes (Regus, Edis) and advertisements for watch straps, bracelets, glasses and servicing equipment; 12 pp, stapled; inserted loose is single sheet printed in blue, black and white, combining price list for Summit watches, cut-out reply-paid card (to Julius Isaacs & Co. Ltd.) and notice of dates and venues of 'Autumn Stockrooms'
