Unusual oak-cased barograph and barometer by Negretti & Zambra, having five 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 twelve stacked vacuum capsules and utilises a gate suspension, with an unusual half-round barometer dial. The barograph having a glass ink bottle recessed into the case.DimensionsHeight 8 InchesWidth 16.5 InchesDepth 9.5 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.We are extremely proud of our Delivery Service, offering either a Postage service for smaller items, or a Premier Two-Man Delivery Service for larger pieces. Each item has a set price for delivery this is for mainland U.K only delivery charges range from �20 - �120Our opening hours are by appointment only Height is 20cm (7.9inches)
Width is 42cm (16.5inches)
Depth is 24cm (9.4inches)