A lovely modern (20th Century) clockwork Recording Barometer or Barograph by the Naudet Company of France. Being a mechanical and not electronic movement dates this instrument to the 1970's.
In fully working order, this instrument measures barometric pressure in millibars over a 7-day period using a refillable 'bucket' type nib and special ink (included). This Barograph comes with good supply of the correct paper and a full bottle of blue ink.
The Naudet barograph company are still making and supporting this type of instrument, and recording papers are readily available from UK suppliers.
Postage and packing costs on this item are higher than normal due to the delecate nature of this instrument and specialist packing requirements to ensure its safe receipt.
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