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Old 20th Jun 2021, 7:18 am   #2
mole42uk
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Join Date: Aug 2010
Location: Bristol, UK
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Default Re: Original Moulds found for Tek Scope Tubes

Fascinating! I’d never thought that CRT’s were moulded in ceramic but it makes sense. I’ve seen film of the making of valves which seem to use pre-formed glass tubes but I suppose precise display tubes needed different parameters. Perhaps ceramic is the only way to achieve perfection in ‘scope tubes?

There’s a YouTube of the process here: https://youtu.be/G0Dci5RPe94
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Last edited by mole42uk; 20th Jun 2021 at 7:23 am.
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