In message 
, 
bobharvey  writes
>On 29 Sep, 18:06, Andrew Marshall  wrote:

>> <fx: boggles quietly...>

>About a million years ago I had to pass a trade test in a thing called
>a "marcoini auto-alarm", a device for decoding 4 second dashes send by
>morse.  It had a small frequency multiplier used as a reference
>clock.  The lecturer told us that the previous version used a
>synchronous motor and a gear box, but that the electronic version "did
>the multiplication far more accurately than a pair of gears could".

Words fail me. (I'm assuming that the gearbox had abezny gears, as 
distinct from being of the DAF-stylee continuously-variable type...).

>Much bogglment.

Here TAAW.
-- 
Regards,
Andrew Marshall, G8BUR, M0MAA.
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