Note 424 — TREATISE OF NAVIGATION OF THE CHEVALIER ANTONY PIGAFETTA.
Henry Edward John Stanley Stanley translation
Though the radius of the circle which the pole star goes round is now little more than a degree and a half, in the time of Pigafetta it was 3 deg. 17 min. 37 sec., so that if he reckoned it at 3 deg. 30 min. it is wonderful that he should have made so small an error, notwithstanding the imperfection of his instruments. Note, Milan edition.