An instrument is described for computing altitudes in an airplane or radiometeorograph sounding of the atmosphere with an accuracy equal to that obtained by tabular methods and with a speed greater than that obtained by either tabular or graphical methods.

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Footnotes

1Weather Officer, Bradley Field, Connecticut. Formerly Air Corps Cadet, Massachusetts Institute of Technology.

2Weather Officer, Maxwell Field, Alabama. Formerly Air Corps Cadet, Massachusetts Institute of Technology.

3Asst. Prof, in Aeronautical Engineering, Massachusetts Institute of Technology.