Abstract: This discussion presents a scheme that has been found to be very convenient for the three-dimensional representation of the pressure and temperature fields in the atmosphere both for forecasting and for aircraft operations. ...

Abstract: It is proposed that units of length called nautical spans, chains and feet?and defined respectively to be 60, 1/60 and 1/6,000 nautical miles in length?be adopted internationally for use in weather-service and aeronautical ...

Abstract: The metric system of units is seen to have evolved into the International System of ?SI? Units to provide primarily for defining other specifically-useful units; of which a more usefully Earth-related and Personally-related ...