2 Aug
2015
2 Aug
'15
8:59 p.m.
On Aug 2, 2015, at 19:10, William Donzelli
<wdonzelli at gmail.com> wrote:
Oh wow, I thought it was something like Rayon.
--
Mark J. Blair, NF6X <nf6x at nf6x.net>
http://www.nf6x.net/
And some 1950s military radio manufacturers, who
screen printed schematic diagrams onto cloth and stashed them inside the radios.
If you are thinking about that early GRC stuff, that was silk!