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7-inch equatorial ADMIRALTY Annual Results Assistant Astrographic Astrographic Telescope automatically Azimuth ball is dropped Cape Day Cape Photographic Cape Photographic Durchmusterung Cape Town Cape Town time-ball Catalogue plates chronometers Collimation Comet comparison stars complete connection containing Declination determination distributed double stars East London electric employed Equinox Established Computer exposures Finlay Geodetic Survey Greenwich Greenwich Mean H.M. Astronomer H.M. ships Heliometer observations Innes instrument Jupiter Jupiter's Satellites Kapteyn last report latitude longitude Lunt Maclear's magnitude MAJESTY'S ASTRONOMER measured meridian observations Messrs Meteorological Natal number of observations object glass objective prism occultations Ottoshoop Paris passed through press Pead Pett planet Port Elizabeth position angle printed probable error proper motions reduction Repsold Results of Meridian revision Rhodesia Right Ascension signal Simon's Bay Sir Howard Grubb Solar Parallax South Africa Southern spectroscope standard stars Survey of South telegraphic temperature total number Transit Circle triangulation variable wires Zambesi Zenith Telescope Zone