Y Llwybr sy'n arwain at y "glaw mawr", noson olaf Eisteddfod Llangefni, 1957 Math Eitemau Uwchlwytho gan Geoff Charles @ LlGC / NLW
Eisteddfod Genedlaethol Cymru 1948, Pen-y-bont ar Ogwr Math Eitemau Uwchlwytho gan Geoff Charles @ LlGC / NLW
Storm approaching Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Rain storm approaching Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Rain on the coast Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Thunder and lightning Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Thunder and lightning Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Rain in the mountains Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Continental panorama, rain coming Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Storm approaching Snowdonia Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Rain approaching over grey black mountain Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Farmer with staff and five cattle Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
National Eisteddfod of Wales, Ebbw Vale, 1958 : Visitors in the rain Math Eitemau Uwchlwytho gan Cymru ar Flickr Commons / Wales on Flickr Commons
Ewenni Abbey from the south Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
