The Land Surveyors Act

polaris; (c) the island triangulation; (d) gyro-compass; (¢) magnetic needle; or (f) an adjoining survey the initial bearing of which was obtained by any of the methods specified in paragraphs (a), (b), (c), (d) or (e). : : 27.?(1) field notes of urb

The Land Surveyors Act

polaris tables for latitude and azimuth. 25. the spheroid: the conception of the gecid and reference spheroid; defi- nitions of geodetic and astronomic latitudes and longitudes, and of the principal radii of curvature; spherical excess; legendre?s theore