Fortin mercury scientific barometer. Made by F. Darton & Co. of Watford. Engraved silvered scales with Vernier adjustment and with thermometer. Attached to a hardwood back board. The Fortin barometer is a scientific instrument and is considered the most accurate barometer made and is used in laboratories, metrological establishments, schools and universities. Fully restored with one years guarantee. p0210.
|Darton & Co.