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Barograph by Negretti & Zambra.

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Barograph by Negretti & Zambra. %%alt5%% %%alt6%%
Mahogany framed barograph by Negretti & Zambra. The mechanical eight-day movement is housed in the drum, fitted with a seven-day chart which 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 ten stacked vacuum capsules and utilises a gate suspension, a refinement developed to improve sensitivity. The barograph has its original glass ink bottle recessed into the case. With hinged lid with brass carry handle.
Dimensions
Height 8 Inches
Width 13 Inches
Depth 6.5 Inches
Price
£0  UK
$0.00  USA
€0.00  EU
 The price has been listed in British Pounds.
Conversion rates as of 4/MAR/2025. 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  Mid Victorian Antiques Material Mahogany Origin English Maker Negretti & Zambra Item code as135a2577 Status Sold

SellerShackladys Antiques

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Shackladys Antiques

Shackladys AntiquesBy appointment only
34 Spital Walk, Boughton
Chester
Cheshire
CH35DB

Tel : 01244 316394

Non UK callers : +44 1244 316394

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Barograph by Negretti & Zambra.
 
as135a2577
 


 
 






 

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