Avery Comarow wrote:
On Feb 13, 10:41=A0pm, "Richard Knoppow" wrote:
=A0 =A0 =A0At some time in the recent past there was a discussion
in this or the antique radio group about coil dope. As a
result I tried making some. ...What I did was to dissolve polyfoam shippi=
ng material
in a mixture of MEK and xylol. I chose these two solvents
because both were listed on the lable of some old commercial
coil dope.

Richard Knoppow

Proportions, please?

When I was a kid, we just added styrofoam to toluene until we got about the
right viscosity. I have coils that I varnished with that stuff thirty years
ago which are still just fine.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."