Mystery triode

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Mystery triode

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djrm

Senior Transmitter Engineer

Posts: 257
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Location: Near Malton, North Yorkshire.

#5

18-10-2022, 05:14 PM

One strange thing is that there is no getter visible - the fabric braid make it look old but I really don't know. Its well make with double welds inside the vacuum pinch sections. Apparently the central section will be tungsten to get the best possible leak proof seal.

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Messages In This Thread

Mystery triode - by djrm - 16-10-2022, 06:33 PM

RE: Mystery triode - by chriswood - 17-10-2022, 09:28 AM

RE: Mystery triode - by djrm - 18-10-2022, 08:40 PM

RE: Mystery triode - by Mike Watterson - 21-10-2022, 07:05 PM

RE: Mystery triode - by Mike Watterson - 17-10-2022, 02:31 PM

RE: Mystery triode - by ppppenguin - 17-10-2022, 02:40 PM

RE: Mystery triode - by djrm - 18-10-2022, 05:14 PM

RE: Mystery triode - by ppppenguin - 18-10-2022, 06:16 PM

RE: Mystery triode - by PerdioPal - 20-10-2022, 03:31 PM

RE: Mystery triode - by djrm - 20-10-2022, 04:14 PM

RE: Mystery triode - by Hartley118 - 22-10-2022, 08:07 PM

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