William Henry Prosser (1843-1894)
1843 October 28th. Born the son of Richard Prosser
1894 died aged 50.
1894 Obituary 
WILLIAM HENRY PROSSER was born in Birmingham on 28th October 1843, being the third son of Richard Prosser of Birmingham, who was an engineer and the inventor of several improvements in machinery for welding tubes, of the steam-hydraulic press, and of the dust process for making tiles.
On the termination of his apprenticeship in 1864 he went to London, and entered the service of Messrs. Brown and Harfield. He took a considerable part in working out the various improvements in ships capstans, windlasses, and steering gear, with which Messrs. Harfields' name has long been associated.
From 1886 to 1893 he had charge of the firm's works at Blaydon-on-Tyne; but returned to London in the latter part of 1893 in an enfeebled state of health, and his death took place there on 21st February 1894, at the age of fifty.
He became a Member of this Institution in 1874.