Victorian Pocket Barometer
These victorian pocket barometer instruments measure atmospheric pressure on the move, offering portable science in a compact brass or silver case.
Victorian pocket barometer forms
A victorian pocket barometer is a portable scientific instrument designed to measure atmospheric pressure and altitude while travelling. The pieces recorded here date from the nineteenth century, specifically spanning the Victorian period up to nineteen hundred.
Most examples take a circular pocket form housed in brass, gilt brass, or solid silver cases. Some instruments combine the barometer with a thermometer, an altimeter, or a compass.
Certain instruments appear mounted in fitted leather cases lined with velvet, whilst others sit upon specialised desk stands or travel in combination sets.
Materials and construction
These instruments utilise brass, gilt, and solid silver for their outer pocket cases, protecting the delicate internal aneroid mechanisms. Glass covers the dial faces, safeguarding the silvered metal dials and steel indicator needles.
Interior components rely on precision metalwork to register barometric changes accurately. Fitted outer housings often incorporate leather exteriors and velvet linings to secure the instrument during transit.
Retail Price Guide 2026
Typical UK retail prices for victorian pocket barometer, calculated from the Sellingantiques database of over a million retail prices indexed since 2003. This retail price guide relies exclusively on Sellingantiques data; no external sources or auction records are used, so the figures do not describe the wider market.
Recorded pieces span the Victorian era, utilising glass, brass, silvered metal, leather, and velvet across various scientific instrument forms.
Quality factors
The distinction between standard examples and top tier instruments rests in the complexity of the dial work and the reputation of the maker. London and provincial makers inscribed their names upon silvered metal dials, marking out pieces of superior craftsmanship.
Multi-function instruments featuring combined compasses, thermometers, and compensated aneroid movements represent higher execution. Fitted cases lined in velvet and finished in leather likewise elevate the stature of the piece.
Negretti and Zambra·Steward of Leicester·Aitchison·Hicks of London·Primavesi
The Victorian Pocket Barometer Glossary
- Aneroid barometer
- An instrument measuring atmospheric pressure without liquid, using a flexible metal box. This sealed capsule expands and contracts as pressure changes, moving the needle across the dial.
- Altimeter
- A function that measures altitude by correlating atmospheric pressure against height above sea level. Many portable barometers include this dual scale on the dial face.
- Compensated
- A mechanism adjustment that accounts for temperature changes affecting the barometer reading. This feature ensures accuracy across varying environmental conditions.
- Gilt brass
- Brass coated with a thin layer of gold or gold coloured alloy. This finish provides a bright appearance and protects the base metal from tarnishing.
Frequently Asked Questions
How do I read a pocket barometer?
The needle points to pressure graduations marked on the silvered metal dial. Rotating the bezel aligns a marker pointer with the main needle to track pressure changes.
Changes in weather correspond to movement up or down the scale. Many dials also feature altitude graduations for use when travelling.
What is a compensated pocket barometer?
A compensated barometer contains an internal bimetallic strip that adjusts for temperature variations. Without this adjustment, heat causes the metal within the aneroid capsule to expand and alter the reading.
Compensated models ensure the atmospheric measurement remains accurate regardless of weather or room temperature.
Are these instruments still accurate?
Many Victorian pocket barometers retain working aneroid movements and respond to local atmospheric pressure changes. They function as historical scientific instruments rather than precision forecasting tools.
Careful handling is required because the delicate internal mechanisms are sensitive to physical shocks.
How should I store my barometer?
Keep the instrument in its fitted leather and velvet lined case when not on display. This protects the brass or silver exterior from scratches and dust.
Avoid placing the piece near heat sources or in damp environments that could damage the metal and glass components.