Victorian Carved Oak Admiral Fitzroys Storm Barometer by Negretti & Zambra Gilbert & Sons An interesting and functional salesmans

An interesting and functional salesmans piece

The owner’s engraving is similar proof for dating purposes

The original machine was invented by physicist Robert J

The mahogany ten sided tapered barrel holds a single draw tube containing five lenses and is completed with a bulbous type eyepiece with dust slide

The ring is turned until a red arrow – that to the right of the segment marked “variable” – points to this normal pressure

Victorian Carved Oak Admiral Fitzroys Storm Barometer by Negretti & Zambra Gilbert & Sons An interesting and functional salesmansFor sale a Victorian carved oak stick Admiral Fitzroys Storm Barometer by Negretti & Zambra, London. This superior example of its type is comprised of an oak body with a cistern cover richly ornamented with a central floral motif, chamfered and carved stem and a carved domed top supported by scroll pediments either side. The stem is adorned with a large 13 inch thermometer showing both Fahrenheit and Centigrade scales on an opaline glass with red and