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1849 Engineer of 4 Corporation Street, Manchester.
Later at Wolverhampton
1861 Steam Engines featured in The Engineer. 
1861 January. Patent. '228. And James Alfred Shipton, of Wolverhampton, in the county of Stafford, Engineer, has given the like notice in respect of the invention of "improvements in steam engines."'. The patented engine was described and illustrated in The Engineer and in The Practical Mechanic's Journal in October 1861. It was a development of the engine developed by Shipton and Simpson from the late 1840s onwards. In 1851 that 'short-stroke reciprocating high-pressure engine' received an award at the 1851 Great Exhibition. It had a piston which rotated and moved up and down in a stationary cylinder, wheras in the 1861 patent the piston rotated about a fixed axis while the cylinder oscillated, pendulum fashion. It appears to address some of the shortcomings of the previous engine, namely the plethora of rods and bearings.
1861 March. Advert: 'To be let, mill power and screwing machines. Apply to J. A. Shipton, Union Mill-street, Wolverhampton'
1865 February. Patent. '165. To James Alfred Shipton and Robert Mitchell, both of Wolverhampton, in the county of Stafford, Engineers, for the invention of "improvements in shaping and forging metals, and in the machinery and apparatus employed therein."'
1865 November 24th. Died. Of Wolverhampton, Engineer. 'Nov. 24th. At the residence of his brother-in-law, Dr. Rooke, Cheltenham, James Alfred Shipton, C.E., son of the late James Shipton, of Wolverhampton and Leamington, age 38.'