Sotheby's : London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments /

Ngā tūemi rite

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  I whakaputaina: (1998)
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• Sotheby's : London, Tuesday 9 November 1999 : Important Watches, Clocks, Barometers, Mechanical Musical and Scientific Instruments /
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• Sotheby's : London, 3 and 4 October 1996 : Important Clocks, Watches, Wristwatches, Barometers, Mechanical Music and Scientific Instruments /
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• Sotheby's : London, Thursday 17 December 1998 : Highly Important Clocks, Watches, Wristwatches and Barometers /
  I whakaputaina: (1998)