1. 10804.i.3, 6(30) Reference (shelfmark): 10804.i.3, 6(30) Title: Sir Robert Ball. Photographer: Mayall and Co Scope & Content: Genre: Portrait Photography Three-quarter length seated portrait, looking to the left, of the Irish astronomer and mathematician Robert Ball (1840-1913), Lowndean Professor of Astronomy, Cambridge 1892-1913. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1893 Extent: 1 item