Note 42 — Chapter IX · PROGRESS OF INLAND DISCOVERY.
Reading edition
At Buenos Ayres the variation in 1708 was 16° 45´ east; in 1789 it was 16° 30´; and in 1818 it was 12½ east.
Reading edition
At Buenos Ayres the variation in 1708 was 16° 45´ east; in 1789 it was 16° 30´; and in 1818 it was 12½ east.