naudet holosteric barometer - Brass, Glass

Nautical Holostatic Barometer in Solid Brass – Naudet (France) — Ø 100 mm
General Description
Exceptional and classical aneroid (holostatic) nautical-standard barometer, manufactured by the renowned and traditional French maker Naudet (PHBN - Pertuis Hulot Bourgeois Naudet). The instrument features a compact, robust solid-brass case with an integrated flange (collarette), having three factory holes for mounting on walls or panels of vessels. A item of superb mechanical quality, ideal for collectors of scientific instruments, nautical decoration, or luxury nautical-themed interiors.
Technical Data Sheet
Manufacturer: Naudet (France) — brand stamped on the dial with the classic logo "PHBN".
Type: Holostatic / Aneroid Barometer (high-precision mechanical mechanism that dispenses with batteries or mercury).
Body Material: Polished solid brass.
Dial Diameter: 10 cm (100 mm).
Dial: White enamel face with sharp, elegant black lettering in French.
Dual Reading Scales:
External: Atmospheric pressure in hectopascals / millibars (scale 960 to 1070 hPa).
Internal: Traditional mercury column reading in centimetres (scale 72 to 80 cmHg).
Weather Indications (in French): Tempête (Storm), Pluie ou Vent (Rain or Wind), Variable ( Variable), Beau Temps (Fine Weather), and Très-Sec (Very Dry).
Hands: Central indicator hand in bluish metal and a manual reference hand (chromed center button) for tracking pressure changes.
Protection: High-strength flat mineral glass.
Low relief on the brass
The measurements are given with the bezel, the dial width, and 10 cm.