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A MODERN DIAMOND 18CT GOLD RING, a plain polished yellow gold band ring set with a modern round brilliant cut diamond and two princess cut diamonds, estimated total diamond weight approximately 0.06ct, ring size K1/2, hallmarked 18ct gold 2009, approximate gross weight 6.00 grams
A gilt brass aneroid barometer and a brass weather forecasting calculator, Negretti and Zambra, London, early 20th century The barometer with 3.5 inch circular silvered register calibrated 28-31 divided into twentieths and inscribed FORECASTING ANEROID, COMPENSATED, NEGRETTI & ZAMBRA, LONDON, 10208 to centre, with blued steel pointer set behind bevel glass, the circumference of the case calibrated with altitude scale 0-3,000 feet with the rear cover rotating to calibrate the pointer for altitude error by referencing an arrow mark engraved to the rim against the scale, with post incorporating knurled nut for locking the rear cover positioned at twelve o clock, 10cm (4ins) diameter. The weather forecasting calculator formed as three discs, the outer calibrated in inches for the barometer reading to the top edge and for the wind direction to the lower edge, the middle ring annotated for STEADY, RISING and FALLING and for summer or winter for lining up with the wind direction scale, the centre with instructions for use, sector revealing appropriate weather forecast and inscribed NEGRETTI & ZAMBRA, LONDON, PATENT 6276, 1915, with hinged strut to rear and suspension ring, diameter 12cm (4.75ins); both contained in two-part hinged velvet lined case 14.5cm (16ins) wide. Together with a Smiths stopwatch Please see our website for footnote regarding the firm of Negretti & Zambra. The firm of Negretti & Zambra are recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as being established in 1850 when a partnership between Enrico Negretti and Joseph Warren Zambra was formed. The firm became one of the most prolific makers of scientific instruments and continued trading well into the 20th century. The forecasting calculator was patented by Negretti and Zambra in 1915 using observations of actual weather conditions over a ten year period and was said to be 80% accurate by the manufacturers.
A French gilt brass carriage clock , early 20th century, the eight-day gong striking movement with push-button repeat regulated by a silvered platform lever escapement, with cream enamel Arabic numeral chapter ring within a foliate chased silvered mask, the case with sunflowers to the friezes and angles, 16cm high, excluding handle

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