Art Deco barograph by C P Goerz. The oak and plated metal Barograph encase with rounded ends. 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 nine stacked vacuum capsules and utilises a gate suspension, a refinement developed to improve sensitivity.DimensionsHeight 6.5 InchesWidth 10.5 InchesDepth 6 InchesDelivery Information At Shackladys Antiques, we want your experience to be as enjoyable and as easy as possible. We want to give you all the information you need throughout the order process, and because we care about our customers and the service they expect, you can rely on us to keep you informed every step of the way.Paying for your order should be as easy as possible; we accept all major credit cards and debit cards or by bank transfer....