Free Preview of Second Armagh Catalogue Of 3300 Stars For The Epoch 1875: Deduced From Observations Made At The Armagh Observatory During The Years 1859 To 1883, Under The D
Second Armagh Catalogue Of 3300 Stars For The Epoch 1875: Deduced From Observations Made At The Armagh Observatory During The Years 1859 To 1883, Under The D