Water Mill, Deptford, London Design for a water mill for HM Victualing Office works at the Red House, to be worked by water raised by a steam engine. Transverse and longitudinal sections, scale 1:24. Ink wash. Signed 1781 Inscribed in the hand of John Farey 'Engraved in miniature for Dr Rees' Cyclopaedia, Plate 34, Mechanics, Article Mill, Volume 23' 1781