Depree and Young Ltd Exeter, walnut-cased Barograph, having five beveled glazed removable lid. 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 eseven stacked vacuum capsules and utilizes a gate suspension, a refinement developed to improve sensitivity. Retaining its original glass ink bottle recessed into the case.
Dimensions
Height 7.5 Inches
Width 14 Inches
Depth 8.5 Inches
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