XJF324329 View of the Tread Mill for the Employment of Prisoners, erected at the House of Correction at Brixton, published by Gent. Mag., July 1822 (engraving) by English School, (19th century); Private Collection; (add.info.: \'Recommended by the Committee of the Society for the Improvement of Prison Discipline\'; Sir William Cubitt (1785-1861), eminent English civil engineer, Chief engineer at Ransomes of Ipswich, invented the prison treadmill;); English, out of copyright.