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A VICTORIAN OAK STICK OR CISTERN BAROMETER WITH IVORY REGISTERS INSCRIBED T.B. WINTER, GREY STREET, NEWCASTLE UPON TYNE, 9AM YESTERDAY, 9AM TODAY WITH TWIN VERNIERS (ONE LACKING) AND MERCURY THERMOMETER, THE CISTERN COVER WITH IVORY INLAID TABLET INSCRIBED FROM A FRIEND MR GEORGE HEDLEY ON THE OCCASION OF HIS MARRIAGE, 100CM H
A compensated pocket barometer and an early 20thC ivorine weather forecasting calculator. Formed as three discs, the outer for setting direction of the wind, the middle for barometer at sea level, and the centre pierced with three sectors annotated Falling, Steady and Rising. The rear is annotated with 26 sectors describing a weather forecast beside a letter of the alphabet (5.5cm diameter), in original box with instructions. This pocket forecaster was patented by Negretti & Zambra, London, in 1915 using actual weather conditions over a ten year period and was said to be 80 percent accurate by manufacturers.

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60594 Los(e)/Seite