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Even Older Man Yells At Whippersnappers


On 20/09/2017 10:54, Chris Angelico wrote:
........
> 
> What, you take silicon that someone else created?!
> 
> ChrisA
> 
well I had germanium for flipflops and dekatron tubes with neon for counters 
never built anything digital with valves though
-- 
Robin Becker