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ms660 · 5th Dec 2017, 2:01 pm

The reason for the metallised coating is given in the valve data:

http://www.r-type.org/pdfs/uu6.pdf

Another example with a metallised coating is the U403 which is a half wave rectifier:

http://www.r-type.org/exhib/aag0145.htm

Lawrence.

5th Dec 2017, 2:01 pm	#51
ms660 Dekatron Join Date: Apr 2011 Location: Cornwall, UK. Posts: 13,454	Re: Murphy A188C repair. The reason for the metallised coating is given in the valve data: http://www.r-type.org/pdfs/uu6.pdf Another example with a metallised coating is the U403 which is a half wave rectifier: http://www.r-type.org/exhib/aag0145.htm Lawrence.