Walnut cased Barograph by Mappin and Webb

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Mappin Webb walnut-cased Barograph, having five beveled glazed removable lid, and a drawer below to house the charts. The mechanical eight-day movement is housed in the drum, fitted with a seven-day chart that covers one full rotation of the drum. The ink trace, or barogram, on the recording paper, is a visual record of changes in pressure.
The aneroid barometer mechanism has seven stacked vacuum capsules and utilizes a gate suspension, a refinement developed to improve sensitivity. The barograph has a thermometer and its original glass ink bottle recessed into the case.
Dimensions
Height 9 Inches
Width 15 Inches
Depth 10 Inches

Price

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 The price has been listed in British Pounds.
Conversion rates as of 23/DEC/2024. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer.  sold

 

Category Antique Barometers and Barographs Date circa 1910  1910s Antiques Material Walnut Maker Mappin & Webb | Silversmiths Item code as135a4714 Status Sold

SellerShackladys Antiques

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Shackladys Antiques

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34 Spital Walk, Boughton
Chester
Cheshire
CH35DB

Tel : 01244 316394

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Item Walnut cased Barograph by Mappin and Webb

 

Item Code as135a4714

 

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