On Mon, 2025-02-17 at 17:35 +0000, Chuck Guzis via cctalk wrote: > > Teledeltos paper had a silver layer over a carbon layer, and a > > spark > > blew off the silver to expose the black carbon. (I think that's > > how it > > worked, I haven't seen this stuff in decades!) It was used in > > early > > machines for sending weather facsimile maps, for instance.
I think the printer beside the B220 in the Caltech Boothe computer center was probably mistakenly called a teledotis printer. It definitely deposited soot on the paper, and then thermally fused it. >
