Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Holyhead Jan 15 1857 Preparing for the Great Blast (painting)
View of Holyhead mountain before the Great Blast, 1857. Unsigned and undated. Modern frame. Scene depicts preparations on 15 January 1857 to blow away a substantial section of Holyhead Mountain to provide sufficient stone for the construction of the breakwater that now forms the harbour of refuge off the Anglesey port.
Golygfa'n dangos y paratoadau i ffrwydro darn mawr o Fynydd Caergybi ar 15 Ionawr 1857, er mwyn darparu cyflenwad o gerrig i adeiladu'r morglawdd sydd bellach yn rhan o'r harbwr noddfa ger y porthladd ar Ynys Môn.