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John Francis Hall (1854-1897) of William Jessop and Sons
1897 Obituary 
JOHN FRANCIS HALL, son of Mr. John Hall, of Norbury, Sheffield, was born on the 18th February, 1854.
After being educated in Sheffield, and at Neuwied, in Germany, he entered the works of Messrs. William Jessop & Sons, of Brightside, Sheffield, as a pupil in 1870. He remained with that firm for twenty years, during the last twelve of which hew as responsible for the general management of the works.
After mastering the details of the various branches of crucible steel-making, Mr. Hall turned his attention to steel castings as a substitute for iron in work connected with naval architecture. Propeller-blades, stern-posts, rudders, cranks, anchors and shells were cast in steel under his supervision with great success, and he produced an anchor which has been adopted by the British Government, by several foreign powers and by some of the largest ship-building firms.
Mr. Hall subsequently turned his attention to the development of nickel steel and visited America in 1890 with the object of opening a connection with the nickel mines of Canada, to supply the raw material, and of negotiating for patent rights in the United States. In addition to the anchor already referred to, he effected improvements in the manufacture of armour-plates, in steam-engine cranks, adjustable couplings for marine shafts, and in the treatment of steel generally.
Mr. Hall died at Norbury on the 27th May, 1897. He was an ardent sportsman, both with rod and gun, and in his youth was well known as an athlete. To the Institution of Naval Architects, of which he was a member, he contributed Papers on “Cast Steel as a Material for Crank-Shafts,” and “Flexible Crank- and Propeller-Shafting in lieu of Rigid Shafting for Marine Propulsion.”
He was elected a Member of this Institution on the 1st December, 1886.
1897 Obituary 
JOHN FRANCIS HALL died at Sheffield on June 3, 1897, at the age of forty-three years.
After being educated at Sheffield and at Neuwied, Germany, he entered the works of Messrs. William Jessop & Sons as a pupil in 1870. He remained with that firm for twenty years. His attention was subsequently devoted to the use of steel castings as a substitute for iron in work connected with naval architecture. He was the inventor of the patent anchor which bears his name, and of various other contrivances.
He was a member of the Institution of Civil Engineers, of the Institution of Mechanical Engineers, and of the Institution of Naval Architects. He was elected a member of the Iron and Steel Institute in 1878.
"Death of Mr. J . F. Hall.- The death has occurred at Sheffield, at the comparatively early age of 43, of Mr. John Franois Hall. Although he had been ailing for some time, his death was altogether unexpected.
He was for 20 years connected with the firm of William Jessop and Sons, and had much to do with the development of their steel foundry business. He took out several patents, more particularly having reference to marine work. Hall's patent anchor was one of his productions. He was for many years an active member of the Society of Naval Architects, of the Iron and Steel Institute, and of the Institution of Civil Engineers.
In his younger days he was an ardent sportsman and athlete.
At his funeral on Saturday a large number of friends was present."