Ball, Robert S. (Robert Stawell), 1840-1913
Robert S. Ball correspondence, 1885-1900.
Relates to Dunsink Observatory, Dublin, Ireland.
Astronomer, mathematician. Fellow of the Royal Society.
Dunsink Observatory
Astronomical observatories -- Ireland.
AIP-ICOS
Museum of the History of Science. Broad Street, Oxford OX1 3AZ