Oak cased barograph

Oak cased barograph


SKU: SA 1676 Category: Tags: , ,

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oak cased barograph, having a lift of bevelled glazed case. 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 eight 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.
Height 8 Inches
Width 14.5 Inches
Depth 8.5 Inches