[time-nuts] Reciprocal Counters

Bob Camp lists at rtty.us
Thu Jun 10 23:40:50 UTC 2010


Yup, 10 neons in a column for readout of each decade. Lots of mercury vapor triodes in each decade. Even back 40 years ago the triodes weren't all that common. Today .. who knows.


On Jun 10, 2010, at 7:32 PM, Leigh L. Klotz, Jr. WA5ZNU wrote:

> There will likely be one of these at the Electronics Flea Market in
> Cupertino, CA this Saturday.  I saw it last month with a $20 price tag,
> but my guess is that if you can lift it it's yours.  it's the one with the
> stack of neon blubs for each digit.  (Somewhere I have one in a garage as
> well...)
> Leigh/WA5ZNU
>> Hi
>> You could always set up a Beckman EPUT meter to do period and get
>> effectively the same sort of result. No solid state in them at all. Full
>> of
>> warm glowing stuff (some of it glowed yellow, some of it glowed purple).
>> Bob
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