Sanborn Maps were originally created for assessing fire insurance liability and include detailed information about building construction and function, street names and width, natural features, and house and block numbers. |The index page features a master index with a map of the entire city divided into 19 hand-colored sections. The sections are numbered to correspond to the individual large scale maps in the bound volume. |The Index page also includes an index of streets and addresses and a "specials" index with names of businesses, schools, churches and other points of interest. There is a comprehensive color-coded Key to the symbols and information used on the map.|This is Sheet 2 of the large scale maps within the bound volume of the 1874 Sanborn Insurance Diagram of Trenton, NJ. The map scale is 1" = 50'.|The Sanborn maps of the city of Trenton originally published in 1874 have been corrected to May 1880, October 1884 and 1885, February and April 1886.|The scale of the maps is 1" = 50 '