Picked up this 7DP4 the other day - Videokarma.org TV - Video

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Picked up this 7DP4 the other day

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08-28-2015, 09:42 AM

John Marinello John Marinello is offline

<-- "Byron"

Join Date: Dec 2005

Location: Lake Murray, SC

Posts: 1,124

Bluing of the cup pertains to oxidation of the metal. That would suggest that the tube is gassy. Don't forget that fresh rebuilds are bombed, and the entire
gun assembly becomes cherry red. If there were air in the tube, the whole gun assembly would turn blue.

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