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
This type of bottle was first patented in the UK in 1855 and though originally known as ‘Siphonia Bottles’, they later became known as ‘Murder Bottles’ with just cause! They had a long rubber tube to which the teat was attached, this tube proved to be impossible to keep clean and many infants became ill and some even died as a result of the gastric problems caused by the bacteria that bred in the tubes.