Andrew May wrote:
Dave wrote:

Many, many years ago I saw a gell demonstrated that stopped everyday
glasses from steaming up. I was told that it was made from soap. I
have never been active enough to want to try it, so a smear of hard
soap might be your answer.

Dave
I remember that. Ideal Home show in the late 70's IIRC.

Bout the right era. But I remember it from about ten years earlier.

Dave