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
Sixteen letters and two plans contained within a brown envelope. Documents relating to the annual tennancy and rent for Viaduct Colliery, rented from Pistwll Gwyn to Partridge, Jones & John Paton and G.K.N. Ltd. Includes typed letters on headed paper from Partridge, Jones & Paton Ltd., the Coal Commission, the National Coal Board and Dowlais Collieries Ltd. Also letters from Guest Keen & Nettlefolds Ltd. typed on cream paper. Letters date from October 1937 to January 1949. There are also two plans of the property, one drawn on pale blue, waxed paper, and the other is drawn on cream paper. Letters date from October 1937 to January 1949.
