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Alfred Hillyard Mitchell (1871-1919)
1919 Obituary 
ALFRED HILLYARD MITCHELL was born at Stapleford, near Cambridge, on 23rd May 1871, and was educated at a private school in Cambridge.
On leaving school he was engaged for a time in the coal business in Ipswich, and then joined the staff of Messrs. Cory Bros., Ltd., colliery proprietors, where he was engaged in the drawing office and on various engineering work.
In 1899 he was employed for about a year as engineer to the Cromptwylt Lead and Zinc Mines, near Aberystwyth, and then became engineer to the London Grain Elevator Co., Ltd., holding this position until 1911, when the Company was merged in the Port of London Authority.
He was then appointed resident engineer of the Bulk Grain Engineering Division, which he held until the time of his death. He was well known as an expert in grain-handling machinery, and brought out a cantilever elevator, which was a considerable advance on the machinery in use at that time for the discharge of grain from ships. He was also the inventor of a compensated rapid luffing crane.
His death took place at Sidcup on 24th September 1919, at the age of forty-eight.
He became a Member of this Institution in 1911.