The axis of this band, almost a meridian line, is 156 statute miles long.
It marks the first meridian of longitude in Hindu geography.
From the springs the journey was continued along the same meridian to the Fitzroy river.
De la Condamine for Peru, in order to measure a degree of the meridian near the equator.
The records preserved in each city were examined, topographical information was diligently collected, and the Jesuit fathers checked their triangulation by meridian altitudes of the sun and pole star and by a system of remeasurements.