Equatorial platform for Newton telescope, has upper part with front part comprising two north supporting ring segments, and rear part comprising south support, where two threads are provided for fastening to platform-upper part

摘要

The platform has two threads provided at an upper side for fastening to a platform-upper part. A groove and third thread are provided at a lower side for accurate fixing and fastening of a steel ring segment. Two bores (6) are cylindrically and conically designed, and are provided at the upper side for attaching the ring segment to a fork holder. A disk at the upper side is provided centrally with a bore, and pushed on an adjusting device. The upper part has a front part with two north supporting ring segments (5), and a rear part with a south support.