Negretti & Zambra Barograph Thermometer

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Negretti & Zambra Barograph Thermometer

An early 20th century glazed mahogany cased barograph by Negretti & Zambra.

The barograph has a clockwork revolving cylinder with recording paper and a barometric pressure viewing dial.

The interior also holds a brass and glass thermometer and an ink pot storage holder.

The cover is made from bevel edged glass held in a mahogany frame which hinges open and has a brass stay.

To the underside of the barograph is a slim storage drawer which holds new and used recording papers and instruction information.

The barograph is in full working order, some of the old records date back to 1928 and the 1960's. (Circa 1920)

Height 21.5cm (8.5 inches)
Width 37cm (14.6 inches)
Depth 22.5cm (8.9 inches)