SAVILIAN

[ Herbert Hall Turner, Savilian Professor of Astronomy and Director of the Radcliffe Observatory at Oxford University. ] Autograph Note Signed ('H H Turner') to 'Mrs. Green', declining a dinner invitation due to a plans to see an eclipse in Japan.

Author: 
H. H. Turner [ Herbert Hall Turner ] (1861-1930), British astronomer and seismologist, from 1893 Savilian Professor of Astronomy and Director of the Radcliffe Observatory at Oxford University
Publication details: 
On letterhead of the University Observatory, Oxford. 22 May 1896.
£45.00

From the papers of the family of the second wife of the geologist Alexander Henry Green (1832-1896), previously Miss Wilhelmina Maria Armstrong of Clifton. 1p., 12mo. In good condition, lightly aged, with slight creasing to bottom corners. Reads: 'Dear Mrs. Green | I fear I shall be on the way to Japan to see the Eclipse. Very sorry to miss your dinner party | Yours sincerely | H H Turner'.

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Autograph Letter Signed ('S. P. Rigaud') from Stephen Peter Rigaud, Savilian Professor of Geometry at the University of Oxford, to Rev. W[illiam]. T[oovey]. Hopkins of Elmdon House, Coventry [Rector of Nuffield], explaining a mistake.in geometry.

Author: 
Stephen Peter Rigaud (1774-1839), mathematian and astronomer, successively Fellow of Exeter College, Savilian Professor of Geometry at the University of Oxford, and Savilian Professor of Astronomy
Publication details: 
Richmond; 28 January 1824.
£80.00

2pp., 4to. Bifolium. Good, on lightly-aged paper. Black wax seal adhering to reverse of second leaf, which is addressed, with postmarks, by Rigaud to 'Revd. W. T. Hopkins / Elmdon House / Coventry'. He explains, with two diagrams, a geometrical mistake by Hopkins, the letter beginning: 'Your difficulty arises entirely from your imagining that the squares of lines are proportionate to the lines themselves - This is by no means the case'.

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