Re: Refixing loose valve bases
My preferred approach for small-signal valves is to use a short length of adhesive-lined heatshrink tubing to bridge the glass/valve-base gap.
This was Military SOP in the 1960s/1970s - I've got some VR100 valves that came from a R1155 that have had their bases re-bonded this way.
i wouldn't suggest this as an approach for 'power' valves or rectifiers though!
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