Note: 1 torr = 133.3 Pa = 0.03937 inHg * Elevation of Mount Everest, the highest point on earth Patents : C. J. Ulrich: "Barometric instrument" : H. J. Frank: "Barometric altimeter" : D. C. W. T. Sharp: "Aneroid barometer" : H. A. Klumb: "Motion amplifying mechanism for pressure responsive instrument movement" : F. Lissau: "Fluid displacement pressure gauges" : O. S. Sormunen: "Pressure measuring instrument" : H. Dostmann: "Barometer" : T. Fijimoto: "Weather forecasting device" See also Altimeter Anemoscope Automated airport weather station Barograph Barometer question Bert Bolle Barometer Microbarometer Storm glass Surface weather analysis Tempest prognosticator Units of pressure Pressure sensor Weather forecasting Zambretti Forecaster References Further reading Burch, David F. The Barometer Handbook: A Modern Look at Barometers and Applications of Barometric Pressure. Seattle: Starpath Publications (2009), . Middleton, W. E. Knowles. (1964). The History of the Barometer. Baltimore: Johns Hopkins Press. New edition (2002), . External links 1643 in science 17th-century inventions Glass applications Italian inventions Meteorological instrumentation and equipment Pressure gauges