London Sewage System

38 x 23 1/2 cm, including frame. A print detailing the different stages of sewage and waste disposal int the city of London, labelled A - H with key bottom left and right of the print. Probably from Gentleman's Magazine. Framed in a simple black an gilt frame. A. The Reservoir B. The Sewer pipes made of very thick glass C. The Sewer-supply pipes D. The Water-closets E. The Patent fluid systems F. The Effluvia trao, or Grating G. The Hose H. The Air pump. Bottom left Dean & Son Lithographers, Thread-needle Street, London