UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Avo 2 Panel Valve Tester Success

Silicon · 7th Apr 2020, 2:54 pm

I have seen 'tin whiskers' on old AVO meter movements.

They are so thin they are almost invisible. There may be some that are interfering with the movement.

A magnifying eyepiece and a portable light source will help you see them.

7th Apr 2020, 2:54 pm	#2
Silicon Nonode Join Date: Jun 2007 Location: Coulsdon, London, UK. Posts: 2,167	Re: Avo 2 Panel Valve Tester Success - sort of! I have seen 'tin whiskers' on old AVO meter movements. They are so thin they are almost invisible. There may be some that are interfering with the movement. A magnifying eyepiece and a portable light source will help you see them.