Steam Locomotive Information West Lothian Locomotives There are 3 primary photos by Jonathan Ball Penrhyn Quarry No. 'Charles' 0-4-0ST Bangor, Caernarfonshire Location: Penrhyn Castle Industrial Railway Museum Status: Display Album: Video: Notes: Links: Dinorwic Slate Quarry No. 'Una' 0-4-0ST Llanberis, Caernarfonshire Location: Welsh Slate Museum Status: Operational Album: Video: Notes: Links: Dinorwic Slate Quarries No. 3 'Holy War' 0-4-0ST Llanuwchllyn, Merioneth Location: Bala Lake Railway Status: Overhaul Album: Video: Notes: Links: This site and its content Copyright © 2020, by Douglas C. BaileyImages and Video Clips © by the photographer/videographer indicated. Used by permission.