The “improved- field non-achromatic terrestrial” lens arrangement of the draw tube is crucial for dating
In small letters to the base
the onset of the more agile aneroid barometer put pay to the success of many of these fascinating instruments and they are therefore seldom encountered
A super example from a notable exhibitor of Class XV
“Christmas – I tell you what
Antique Barometers: An Illustrated Survey (2nd Edition) - Edwin Banfield Barometer for sale The “improved- field non-achromatic terrestrial”In Antique Barometers: An Illustrated Survey, second edition, the author traces the development of the English domestic barometer from the earliest mercury stick instruments, through the elegant wheel barometers of the late eighteenth century to the thoroughly portable pocket aneroids of the Victorian period. On the way, the author examines a variety of other instruments, including angle, double and multiple tube barometers, marine, sea coast and