Darganfod ac Archwilio’r Casgliad

[Dyrnu?] yn y dyffryn.

Martin Underwood, Cwm Hyfryd, 1893

Interior view of Cwm Dyli Hydro Electric Power...

Rhan anhysbys o beiriant, tua 1930au

Exhibition of items made from wood

Boughrood Court machinery

Cab axle

Site of old machinery

Boughrood Court machinery

Boughrood Court machinery

Boughrood Court machinery

Boughrood Court machinery

Disused waterwheel

Salvage of old waterwheel

Catalog arwerthiant peiriannau'r Melin y...

Salvage of old waterwheel

Site of old machinery

Old water wheel or turbine

Penydarran iron works

Copi o restr brisiant peirianwaith a llanastr...

Dogfen brisiant ffatri wlân Gwenffrwd, Ystad...

Y tu fewn i Spring Mills, Llanidloes, tua'r...

Melin Wlân Penmachno, 1952

Ffatri deiars, gogledd Cymru, 1957

Ystafell yr injan, Ffatri Wlân Dinas Mawddwy, 1...

Gŵr a gwraig yn gweithio wrth y gwŷdd troellog,...