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.
Within the same region we may expect to find considerable differences as we pass from one meridian to another.
Arago, with whom he had already carried out investigations on the refractive properties of different gases, in the measurement of an arc of the meridian in Spain, and in subsequent years he was engaged in various other geodetic determinations.