Barometer Signed Jecker In Paris Datable Circa 1800/1805

Mahogany wall barometer consisting of a glass tube containing mercury with its reserve.

On the top part a chevron shaped pediment and a screwed brass plate with a small alcohol thermometer and a mobile brass index for the barometer.

This plate is engraved with several scales and inscriptions:

- at the top "Barometer Jecker à Paris".

- along the mercury column a graduation from 25 to 30

- on the left hand side for the thermometer "Réaumur scale" followed by a scale graduated from -10 to +40 and the inscriptions "vers à soie", "tempéré", "glace".

- on the right hand side, graduations relating to the barometer: Very dry, Fair fixed, Fair weather, VARIABLE, Rain or Vt, Gde Rain, Storm.

Circular wooden cover in the lower part.

Signed "Jecker à Paris", the great signature of the manufacturers of scientific instruments under the 1st Empire.

Dimensions :

- height of +/- 101 cm

- maximum width of 15,5 / 16 cm

France dated around 1800 / 1805.