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Gellir lawrlwytho cynnwys at ddefnydd anfasnachol, megis defnydd personol neu ar gyfer adnoddau addysgol.
Ar gyfer defnydd masnachol cysyllwch yn uniongyrchol gyda deilydd yr hawlfraint os gwelwch yn dda.
Darllenwch fwy am y Drwydded Archif Greadigol.

Disgrifiad

Interior of machine hall at Dinorwig hydro-electric power station taken during construction in 1982

Sylwadau (2)

Anonymous's profile picture
lot of work going on in main caven ,
Royal Commission on the Ancient and Historical Monuments of Wales's profile picture
Thanks for your comment - do you have any connection with the power station yourself? RCAHMW

Rhaid mewngofnodi i bostio sylw