How do stick and banjo barometers differ?

Stick barometers present a long, narrow wooden trunk showing the direct mercury column. Banjo barometers expand at the bottom into a circular dial face. Both types utilise atmospheric pressure, but the banjo style became more common towards the close of the century.

Where were most of these barometers made?

The majority of these instruments originate from workshops based in London. Many bear the signatures of immigrant and British instrument makers working in the capital. These makers often combined precision glassblowing with high-end cabinetmaking.

What woods were used for the cases?

Mahogany and walnut form the primary timbers for the cases. Cabinetmakers also incorporated boxwood and satinwood for contrasting stringing and shell inlay. These dense hardwoods protected the delicate glass tubes while offering a polished decorative surface.

How do I read an antique barometer?

You read the height of the mercury column against the engraved scale, often utilising a small sliding vernier for precision. Weather inscriptions such as stormy or fair guide the interpretation of pressure. Changes in the height indicate impending shifts in local weather conditions.