A superb quality and attractive barograph by this good maker.The 8 day duration, drum timepiece clock movement with its original jewelled, lever, platform escapement. Contained in a revolving 3 3/4'' diameter brass chart drum. This is mounted upon the top base tier as is barometric cradle with a 12-tiered stack. The nib on the end of the floating arm is refilled when the chart is changed weekly from its front-mounted glass ink bottle and dipper.The front of the baseplate has a vertically mounted, silvered reference ''Cyclo-Stormograph'' chart for forecasting the weather against the trend left from the ink trace on the drum chart.The timepiece movement is wound weekly by removing the top cover to expose the fixed winding key and the platform escapement hatch which can be slid open for regulating the timekeeping.There is also a chart-change holding bar to lift the nib away from the drum when necessary and for transit.The oak 5-glass cover simply fits over the top tier of the well-figured moulded base and is lifted off to operate the device. All of the glass panels are bevelled and the base contains a double-depth, chart drawerShort & Mason Limited was founded in 1875 by Thomas Short and James Mason. They were based in Hatton Garden, London and continued until 1969.* Barographs are not only attractive but also provide a good deal of fun when operated. They also provide a lasting record of local weather conditions.Condition: Excellent and working perfectly. The aneroid baseplate has a couple of stains that have penetrated the lacquer but these can be removed (see last photograph). Cosmetically this device is excellent for its age and appears to be undamaged. It is wholly original and will be supplied with a years worth of high quality Cyclo-Stormograph charts and ample non-blotting ink. It will be fully guaranteed and it is this work that adds considerable value and provides peace of mind. If maintained correctly, this device will se...