267.7
———
274.4Answer.

Which Height in Feet and Tenths, corresponding to the Expansion of Air with 28°.71 Tenths of a Degree of Heat more than the Standard 31°.24, being added to the Height in Feet and Tenths, corresponding to the Expansion on Inches of the Quicksilver in the upper Barometer, with the Standard-Heat, already found, viz.

3935.1

gives the real Height of the Mountain, or upper Station, sought.

274.4

———

4209.5

END OF THE THIRD STAGE.

The second Example briefly stated: referring to the Sections.

Section, 391.

409. Below: Barometer 28.1318.

Attached Thermometer 61°.8; Air ditto 63.9.

Above: Barom. 24.178.