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
Catalogue of 1854 exhibition by Photographic Society, 'Exhibition of Photographs and Daguerreotypes at the Gallery of the Society of British Artists'. Published by Society for first exhibition held at the Gallery of the Society of British Artists, Suffolk Street, Pall Mal, London, at a cost of 6d (pence) entrance fee one shilling. Inside cover has three newspaper cuttings on the exhibition by the newly formed society and inside back cover has cutting from The Morning Post reporting on the opening of the exhibition.
