B7971 sockets

Robert

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Aug 9, 2025, 10:35:22 AMAug 9

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These were being used for B7971 tubes anyone know what they were originally for

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Tidak Ada

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Aug 10, 2025, 4:08:24 AMAug 10

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It could be it was intended in first instance for some photomultipliers.

I have here some Philips experimental tubes (with field effect cathode) with a look alike base, but as long as I don’t know the exact dimensions it is hard to give reliable information.
May be you can place the sockets on a scanner en sent the scan to the group and me as CC

eric

-----Oorspronkelijk bericht-----
Van: neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] Namens Robert
Verzonden: zaterdag 9 augustus 2025 16:35
Aan: neoni...@googlegroups.com
Onderwerp: [neonixie-l] B7971 sockets

These were being used for B7971 tubes anyone know what they were originally for

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Robert

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Aug 10, 2025, 9:56:36 AMAug 10

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They are 50mm in diameter, 5mm thick, centre hole 15mm in diameter

Rob

> On 10 Aug 2025, at 09:08, Tidak Ada <off...@zeelandnet.nl> wrote:
>
> It could be it was intended in first instance for some photomultipliers.

> To view this discussion, visit https://groups.google.com/d/msgid/neonixie-l/!%26!AAAAAAAAAAAYAAAAAAAAAPDddShx705MuX20yCpp0vvCgAAAEAAAAPlL277vcytLiruEi2BCmfgBAAAAAA%3D%3D%40zeelandnet.nl.