A selection of engravings from the Tirlun Cymru collection from the 18th and 19th century
Emersion of the Seiont from Llanberis Lake
Llyn Idwall, Caernarvonshire
Llanberis lake
Bala-Lake, Merionethshire
Snowdon, with Llanberris lakes
Snowdon from Llanberris Lake
Llyn Llydaw on Snowden
Llyn Gwynant