Photograph of the astro-photo telescope at Sydney in temporary building [January 1891] (titre original)

Sydney Observatory, 7 ½ inch Equatorial [photographed before erection in dome] (titre original)

Sydney Observatory : 11 ½ inch equatorial [photographed before erection in dome] (titre original)

Sydney Observatory : 7 ½ inch equatorial [photographed before erection in dome] (titre original)