Unconventional lighting project.

Legh Richardson over 5 years ago

Good evening all,

A friend has given me a beast of a thermonic valve, a half-wave rectifier, RG4-3000, to turn into some sort of table lamp.

Access appears to be somewhat tricky as i'd need to remove the glass envelope. I remember removing the envelope of a smaller glass tube pentode when I was 15-16 years of age to produce a scaled technical drawing, but for the life of me I can't remember whether or not I broke the glass asm I never bothered to replace it..

My question is, has anybody attempted anything similar and how did they remove the glass envelope in tact so that it could be attached at a later time?

Legh

regards to all and thanks for reading

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0 Legh Richardson over 5 years ago

I suspect that your idea would be the best point to cut at the crimp where the ceramic base is held.

I plan to use the connector pins to hold the fitting in place and to make connection to a PSU in the mounting fitted beneath the tube. Not sure how the light would be exhibited within the tube as there are lots of metallic obstructions.

Legh
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0 Legh Richardson over 5 years ago

I suspect that your idea would be the best point to cut at the crimp where the ceramic base is held.

I plan to use the connector pins to hold the fitting in place and to make connection to a PSU in the mounting fitted beneath the tube. Not sure how the light would be exhibited within the tube as there are lots of metallic obstructions.

Legh
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Unconventional lighting project.

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