Interesting. I don't recall having seen this. Fish paper maybe?
73
-Jim
NU0C
On Sun, 21 Mar 2021 11:00:19 -0500
"Gary Follett" <xntrick1948@...> wrote:
Drake, in later radios, glued a grey piece of high voltage cardboard on top the PTO assembly. Your radio looks like a pretty early one so may not have this.
Jim Shorney