On 6/12/24 22:32, Gavin Scott via cctalk wrote:
Is it possible they were thinking about really old FAX paper which might have been wet to support marking via an electric discharge through it (and to (slightly) reduce the frequency with which the receiving machine caught fire)?
Yes, there was teledeltos paper, that had a silver top layer and a carbon layer below that.
A high voltage spark burned away the silver layer and left a black image.
Jon
