How do I read a stick barometer?

Observe the height of the mercury column against the engraved brass scale to track rising or falling atmospheric pressure. Vernier scales allow precise reading down to fractions of an inch or millibar.

Where should I hang a wall barometer?

Mount the instrument on an interior wall away from direct sunlight, central heating radiators, and drafts. Stable ambient temperatures prevent inaccurate mechanical expansion in aneroid movements and protect antique timber cases.

Are mercury barometers safe to keep?

Enclosed glass cisterns safely contain the liquid metal during normal domestic display and atmospheric monitoring. Avoid tilting or inverting the instrument during handling to prevent air from entering the delicate glass tube.

How do I identify a Georgian barometer?

Examine the case for simple architectural proportions, architectural pediments, and understated mahogany or rosewood veneers. Earlier instruments often feature exposed cistern covers and handwritten maker signatures on the interior paper scales.