On a Method of Determining the Index Error of a Meridian Circle, at Any Instant, Depending upon the Observed Polar Distance of Polaris

On a method of determining the Index err

On a method of determining the Index error of a Meridian Circle, at any instant, depending upon the observed Polar Distance of Polaris.

✍ W. A. Rogers 📂 Article 📅 1884 🏛 John Wiley and Sons 🌐 English ⚖ 120 KB 👁 3 views

under the name of the \*zenith-point correctionc. b) The mean of the observed zenith distances of fun-On a method of determining the Index error of n Meridian Circle, at' any instant, depending upon the obswred Polar Distance of Polark. ## W: A.