Water Mill, Wandsworth, london; Section of the water wheel and conduit for Shepley's mill at Wandsworth Sectional elevation, scale 1:12. Signed 1768 Inscribed in Farey's hand; See Mr Smeaton's report on the powers of the head of water at Shepley's Mill 20 February 1768 Section of the dressing mill wheel and conduit for Shepley's mill at Wandsworth. Half sectional elevation, scale 1:12. Ink 1768