Institution: | 1. Eirianallt, Glanrafon, Llangoed, Anglesey, LL58 8PG UKtim.blackstock@hotmail.co.uk;3. 10 Goodman Street, Llanberis, Gwynedd, LL55 4HL UK;4. Hafotty Gerrig, Rhydlanfair, Betws-y-Coed, Gwynedd, LL24 0LY UK;5. 42 High Street, Blaenau Ffestiniog, Gwynedd, LL41 3AE UK |