TABLE III.BAROMETRIC READINGS IN MILLIMETERS.—ALTITUDES IN METERS.
This is from Radau’s table. The formula for calculation of difference of altitude of two stations is
in which D is the difference of height in meters,handh'are barometer readings in millimeters andtandt'are the temperatures in centigrade degrees.
In comparing the Aneroid with a Mercurial Barometer, correct the latter by the following table,subtractingthe corrections.