Oak Cased Barograph by A J Lizars

Oak Cased Barograph by A J Lizars

£1,275.00

SKU: SA 1318 Category: Tags: , ,

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Description

A J Lizars Oak Cased Barograph, having five 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 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 seven stacked vacuum capsules and utilises 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 9.5 Inches
Width 14.5 Inches
Depth 9 Inches