Posted by Ken Kopp-3 on URL: http://elecraft.85.s1.nabble.com/K3-VFO-A-knob-problem-tp2991044.html
The shiny surface inside the finger dimple of the large VFO A
knob is "peeling" off in small thin pieces, and is now about 50%
gone. I'm not aware of any chemical associated with my index
finger ... other than perhaps dirt. (;-)