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1918 Obituary 
ISAAC SHONE was born at Brymbo, near Wrexham, North Wales, on 30th April 1836.
He was educated at various schools, including the Chester Grammar School.
In 1852 he was articled for three years to the late Mr. Samuel Jones, mining engineer to the Brymbo Coal and Iron Co., and just before his apprenticeship was completed, his grandfather, who was mining agent to the late Marquess of Westminster, died, and Mr. Shone was appointed to succeed him.
This position he held, in conjunction with his partner, the late Mr. Edwin Ault, till the time of his death.
Early in life he evinced great interest in local affairs, and was Mayor of Wrexham in 1878-9.
Three years later he moved to London to start in engineering practice in Westminster with Mr. Ault, who had been his pupil and, for many years, his chief assistant.
He was the inventor of the Shone system of drainage, which, by means of his hydro-pneumatic ejector, combined with compressed-air, rendered low-lying districts as healthy as those where the sewage can be conveyed by gravitation. The system has been adopted in all parts of the world, conspicuous examples of its use being found in the drainage of the Houses of Parliament, Royal Courts of Justice, Hampton Court Palace, Eastbourne, Rangoon, &c.
Recently he devised apparatus which effectively ventilated and flushed house drains and sewers in one operation.
His death took place at his residence in Putney on 19th June 1918, at the age of eighty-two.
He was elected a Member of this Institution in 1889. He was also a Fellow of the Surveyors' Institution.