|Model/ Name:||Huygens Kontra-barometer|
|Estimated Period:||Second half 20th century|
|Country of Origin:||Netherlands|
|Condition:||Good condition - used with small signs of aging & blemishes|
The Huygens contra barometer is an invention of our compatriot Christiaan Taan Huygens (1670). The system works with two tubes connected on the underside, that are filled with mercury and coloured oil with a low density. The main feature of a contra barometer is that it does not indicate the ascent of the air pressure from bottom to top, but vice versa. Hence the name contra barometer. It is a typical Dutch product.
Shipping can be arranged in consultation due to the fragility of the item.
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This lot is required to be picked up
Due to the size or fragility of this lot, the seller requires it to be picked up from Haarlem (Netherlands).
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