The 6" silvered dial is signed Abraham, Optician Cheltenham within an ebony banded case surmounted by a swan neck pediment.
The removable dome topped thermometer box has a mercury thermometer, graded in degrees Fahrenheit.
Ivory vernier knob.
Overall height 36" (92cm) Width 8"
The trade card of J. Abraham, Cheltenham is reproduced in Banfield's Barometer Makers and Retailers 1660-1900. He is listed here as an "important maker whose trade card shows that he made stick and wheel barometers. Instrument-maker to the Duke of Gloucester and the Duke of Wellington."