UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - What is it

ex seismic · 6th Feb 2019, 9:50 am

This is fascinating. As it is probably British does the blue colour indicate a naval use, or is it the wrong blue when seen in daylight?

6th Feb 2019, 9:50 am	#19
ex seismic Heptode Join Date: Sep 2009 Location: Tonbridge, Kent, UK. Posts: 686	Re: What is it - Enigma related?? This is fascinating. As it is probably British does the blue colour indicate a naval use, or is it the wrong blue when seen in daylight?