Hi, EmyrBorth,
TVM for your message. My photo is definitely not from that book. Mine is a paperback 'touristy' kind of thing - about 40 pages long with historical photos.
That said, I think I know the book you are referring to as I was shown a copy a while back and grabbed a photo from it (see attached). Unfortunately it was in Welsh so I could not even flick through it to grasp the main details. If you are able to access a copy and glean any more information, that would be really kind.
My reason for asking is I have several ancestors from Blaenau-Ffestiniog and relatives have told me that some were involved in the local council, chapel and other institutions. The key names are Roberts (twice), Jones and Evans which, I appreciate, is about as helpful as Smith would be in England !
Thank you once again and best wishes.
Simon