Details
A Victorian glazed oak barograph, circa 1895
The rectangular case with rising cover, single barrel movement driving the chart drum, the pen regulated by eight vacuum discs, with silvered and skeletonised barometer dial, ivorine mercury thermometer to the front, signed on an ivorine plaque JOHN TROTTER/OPTICIAN/GLASGOW - 8½in. (22cm.) high
The rectangular case with rising cover, single barrel movement driving the chart drum, the pen regulated by eight vacuum discs, with silvered and skeletonised barometer dial, ivorine mercury thermometer to the front, signed on an ivorine plaque JOHN TROTTER/OPTICIAN/GLASGOW - 8½in. (22cm.) high
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium, which is invoiced on a VAT inclusive basis.