How do you read a wood stick barometer?

Read the instrument by noting the height of the mercury column against the silvered brass scale, using the sliding vernier pointer for precise measurements. Higher readings indicate fair weather, while falling levels suggest approaching storms. Compare the current position with the secondary indicator pointer to see whether pressure is rising or falling since your last check.

Where should I hang a wood stick barometer?

Mount the instrument on an interior wall away from direct sunlight, central heating radiators, and draughty doors. Stable room temperatures ensure the wood case and mercury respond accurately to atmospheric changes alone. Ensure the long timber case hangs completely plumb using a secure wall fixing to keep the delicate glass tube safe and upright.

Are these barometers still filled with mercury?

Many surviving examples retain their original mercury filling within the sealed glass tube and cistern system. Special care is required when transporting these instruments to prevent column separation or glass damage. Some historical pieces have been professionally serviced and refilled to ensure they remain functional historical objects.