[dave walsh]

I've found this thread to be very interesting [despite not always fully understanding the content] but I do get the overall sense. This sort of techo archeology/recovery doesn't get enough recognition. I think I grasped most of what you said re cine film Julie. The semi-tone difference you mention though was not new to me. It was often said that only people with an acute sense of pitch would notice the difference-I certainly never did and clearly, it was never much of an issue for the Broadcasters or the viewers.

Dave W