Nº 103569323
Vendu
Offre finale
€ 140
Sans prix de réserve
Il y a 6 jours
Richard Freres - Barographe - Bois, Verre, Métal
The instrument itself is a baro-thermograph, a specialized version of a barograph that records both atmospheric pressure (on the main chart) and temperature (shown by the integrated thermometer).
It was manufactured by the French firm Richard Frères. This specific model features an 8-capsule aneroid bellow and a centigrade thermometer, a design very popular for naval and professional use during the late 19th and early 20th centuries. This model is dated circa 1882 - 1891.
The instrument is very clean, in great condition and comes complete with original key and small weight. The instrument winds smoothly and the winding mechanism appears to be in full working order. The thermometer also works well.
Nº 103569323
Vendu
Richard Freres - Barographe - Bois, Verre, Métal
The instrument itself is a baro-thermograph, a specialized version of a barograph that records both atmospheric pressure (on the main chart) and temperature (shown by the integrated thermometer).
It was manufactured by the French firm Richard Frères. This specific model features an 8-capsule aneroid bellow and a centigrade thermometer, a design very popular for naval and professional use during the late 19th and early 20th centuries. This model is dated circa 1882 - 1891.
The instrument is very clean, in great condition and comes complete with original key and small weight. The instrument winds smoothly and the winding mechanism appears to be in full working order. The thermometer also works well.
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