[time-nuts] Bulova PCOXO...

Ulrich Bangert df6jb at ulrich-bangert.de
Fri Jun 19 06:58:39 UTC 2009

Bulova, let the name alone... When I was a child a person in the
neighbourhood owned a "BULOVE ACCUTRON" known as the "humming wristwatch".
This was the first (and only?) wristwatch to use a mechanical tuning fork
running at a few hundret Hertz instead of a conventional balance spring.


Best regards
Ulrich Bangert

> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Chuck Harris
> Gesendet: Freitag, 19. Juni 2009 06:42
> An: Discussion of precise time and frequency measurement
> Betreff: [time-nuts] Bulova PCOXO...
> Hi,
> I'm in the process of repairing a 10MHz Bulova PCOXO
> part number: 298248-3
> serial number: 77-3129
> It runs off of -15V for both the oscillator and oven.
> Hardly a timenuts oscillator, but I would like it work
> never the less.
> Does anyone have a schematic?  It would be easier to
> start with a schematic, but if not, I will just have
> to trace it out.
> Thanks!
> -Chuck Harris
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