As the population increase during the nineteenth century, the need for housing grew especially for the working class. Lots 25 X 100 feet that were designed for single row houses were extended reaching 5 floor or up to six. These crowded dwellings, called tenements (equivalent to Latin Tene (re) to hold), were occupied mostly by immigrants. Typically they staying 4 families per floor, with 10 to 12 members per family and 2 to 3 rooms per family. These tenements lacked basic services such as electricity, considering illumination came to the front room as well as ventilation, also without gas, people obtained heating by coal or wood burning in stoves that were also used for cooking as they had no gas, nor had indoor plumbing, therefore had no
