“Christmas – I tell you what
The “improved- field non-achromatic terrestrial” lens arrangement of the draw tube is crucial for dating
Contents PART I THE SCIENTIFIC BACKGROUND 1 The Prehistory of the Barometer 2 The Torricellian Experiment 3 The 'Extraordinary Effervescence' 4 Seventeenth-century Experiments and Speculations
A super example from a notable exhibitor of Class XV
In small letters to the base
Antique Barometers: An Illustrated Survey (2nd Edition) - Edwin Banfield Barometer for sale “Christmas – I tell youIn 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