Gill, David, Sir, 1843-1914.
David Gill papers, 1868-1913.
Papers and correspondence, including his heliometer observations (8 vols.), 1877-1882; account of a determination of the solar parallax (2 vols.), 1877; a paper submitted to the Royal Astronomical Society, 1879; 15 letters to hits officers, 1868-1900; 59 letters to A. W. Roberts, 1893-1913; and 23 to G. E. Hale, 1908-1913.
Astronomer. Fellow of the Royal Society.
Hale, George Ellery, 1868-1938
Astronomy -- Societies (Academies and learned societies) -- Great Britain.
Heliometer.
Sun -- Observations.
Parallax -- Sun.
Astronomers -- United Kingdom. lcsh
Roberts, A. W.
Royal Astronomical Society.
AIP-ICOS
Royal Astronomical Society. Burlington House, Piccadilly, London, W1J 0BQ, United Kingdom.