An email about Manure provoked some interesting research. Manure was a prized item both as fertiliser and in use in some of the manufacturing processes in London 19th Century Industry - they used dog manure for treating leather for example. The Britannia Works, Drummond Road., Southwark was brought to my attention by a descedent of Thomas Knights - proprietor of Knights and Mundy, (proprietors of Salmon's manures) Britannia wks, Drummond Rd, SE. Source: 1895 trades directory The following is an example of a manure manufactory in Spitalfields. ( Sanitary Ramblings , Being Sketches and Illustrations of Bethnal Green, by Hector Gavin, 1848) CHARLES-ST., 38.-At the boundary of the parish in this street, and partly within it, and partly in the parish of Whitechapel, is an extensive dairy or cow- shed, in a most offensive state. The soil was collected in a large wooden tank, and the surface of the whole place covered with decomposing refuse. The smell from the place was mos...