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Fortin’s Barometer Precision Form

Model No: AGN-2720
A precision instrument for accurate barometric pressure measurement, suitable for laboratory corrections, weather observations, and industrial applications such as factories, mines, and power plants.

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Technical Specifications

  • Mercury cistern constructed on the Fortin principle, adjustable to zero via an ivory indicator.
  • Annealed glass barometer tube mounted in a brass casing with metrical (mm) and English (inch) scales from 640–810 mm, vernier reading to 1/100 inch and 1/10 mm.
  • Mercury level adjusted with a knurled screw at the casing base; allows thermal expansion.
  • Corning glass tube and scale covers for durability.
  • Mounted on polished wooden board with metal thermometer.
  • Supplied without mercury.

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