all not depend upon the individual actionof any particular portion of such house, besides beingto a gTeat extent automatic. There has been no lack 15 2 Sanitary Arrangements for Dwellings. of inventions both at home and abroad which claim tohave accomplished all this, but many of them arebased upon… … who have erected residences in Liverpool in which thesystem is carried out. Fig. 112, which is a reduced section of Dr. Hay wardshouse, will tolerably well explain the plan of which I ^ Health and Comfort in House-building. London, Spon, 1872. Ventilation of the whole House, 153 speak. We will…