Commemorated on 1 plaque
I gofio / In memory of Hugh Richard Jones BEM Cyn Brif Beiriannydd yn y Chwarel a'r Amgueddia hon. Ei weledigaeth a'i weithgarwch yn anad dim oedd yn gyfrifol am ddiogelu'r creiriau a chreu Amgueddfa i'n hatgoffa ni heddiw o ddycnwch ac aberth pobl ddoe Former Chief Engineer of this Quarry and Museum. It was his vision and perserveramce that ensured the safe keeping of artefacts and machinery to create this Museum as a memorial to the hard work and sacrifice of our forefathers
National Slate Museum - Gilfach Ddu, Llanberis, United Kingdom where they was