Section 4. Size of rooms; height of ceilings; area of windows
Every habitable room in every such tenement house shall be of such dimensions as to contain at least seven hundred cubic feet of air. Every habitable room in every such tenement house shall in every part not less than eight feet in height from floor to ceiling, and every window shall have an opening of not less than twelve square feet in superficial area; but the Bureau of Building Inspection may permit windows of less size than twelve square feet, if more than one window is provided for a room, so that however the total window space for any one room shall not be less than twelve square feet. 1895, June 7, P.L. 178, Sec. 4.