[1][2] In 1854 Harley entered the Congregational ministry, and was at Brighouse, Yorkshire, until 1868, after a time also filling the chair of mathematics and logic at Airedale College from 1864 to 1868.
[1] From 1868 to 1872 he was pastor of the oldest Congregational church in Leicester, and from 1872 to 1881 was vice-principal of Mill Hill School, where he officiated in the chapel.
At Mill Hill he was instrumental in erecting a public lecture hall for total abstinence talks as well as popular entertainment and instruction.
[1] Having taken a ministerial appointment in Australia, Harley was pastor of Heath Church, Halifax, from 1892 until 1895, when he retired and settled at Forest Hill, near London.
[1] Harley died at Rosslyn, Westbourne Road, Forest Hill, on 26 July 1910, and was buried in Ladywell cemetery.
Harley's two further papers on the Theory of Quintics[4] and an exposition of Cockle's method of symmetric products in Phil.
A sketch of the life and work of George Boole appeared in the British Quarterly Review (July 1866), and a memoir of his friend, Sir James Cockle, is in the Proceedings of the Royal Society, vol.