Henry Gregory
The company continued its association with royalty and went on to win a Great Exhibition Medal in 1851
This large wall barometer is 65cms high and 50cms wide
The case comes with a working lock and key and has a brass inlaid cartouche to the top on which the owner’s name
The dome top of the case is mimicked within the scale plate by a separate domed piece of glass
A Treatise on Meteorological Instruments - Negretti & Zambra Seven Day Razor Set Henry GregoryThis treatise on meteorological instruments was first published in 1864 by the partnership of Henry Negretti and Joseph Zambra, meteorological instrument makers to Queen Victoria, and describes the method of construction, scientific principles and practical uses of barometers, thermometers, hygrometers, rain gauges, anemometers, electrometers, ozonometers and other meteorological instruments. The instruments are fully described, with the help of