On a CHRISTMAS evening 50 years ago, a small group of people gathered together in a Middlesbrough sitting room for their weekly Spiritualist Circle.
They'd been meeting regularly since April 1946 and had - to their own satisfaction at least - frequently witnessed the plainly visible forms of ""spirit people"".
They'd kept written records of who came into their midst and what they said.
But that night, they had something new in the room.
An early tape recorder.