single-altitude

Updated: June 10, 2025

But the dogs were the great difficulty: we lost six mortal hours a day in harnessing and tending them. On the twelfth day Clark took a single-altitude observation, and found that we were only in latitude 86° 45'; but the next day we passed beyond the furthest point yet reached by man, viz. 86° 53', attained by the Nix explorers four years previously.

M. P. (Matthew Phipps) Shiel - The Purple Cloud