Up for auction a VERY RARE! "British Astronomer" Herbert Hall Turner Hand Written Letter Dated May 25,1925 on University Observatory, Oxford Letterhead. There is a small tear along the center fold not affecting the document. 

ES-139A

Herbert Hall Turner FRS (13 August 1861, Leeds – 20 August

1930, Stockholm)

was a British astronomer

and seismologist.

Herbert Hall Turner was educated at

the Leeds Modern School, Clifton

College, Bristol and Trinity College, Cambridge. In 1884 he

accepted the post of Chief Assistant at the Royal Greenwich Observatory and stayed

there for nine years. In 1893 he became Savilian Professor of Astronomy

and Director of the Radcliffe Observatory at Oxford

University, a post he held for 37 years until his sudden death in

1930. He was one of the observers in the

Eclipse Expeditions of 1886 and 1887. In seismology,

he is credited with the discovery of deep focus earthquakes. He is also

credited with coining the word parsec. His 1897 Royal Society candidature citation read:

" Secretary of the Royal Astronomical Society. Was Chief Assistant at

the Royal Observatory, Greenwich 1884-1894.