dates

  1. W

    Bardon Bardon Electro-magnetic, dates and serial numbers.

    Does anyone know the number and dates of the Bardon Electro-magnetic clocks produced? I understand that the earliest advertisement for the clocks was 1923. I have a crystal regulator with the serial no. 662. What is the highest Ser. No., known to date? Any information would be appreciated.
  2. J

    992 stainless mfg. dates?

    does anyone know exactly when hamilton started making stainless steel cases for the 992 grade?

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Weekly News 7/7/19 by Tom McIntyre