article_snippet: In the 19th Century. 
article_snippet: Now CityLab has found one of these historic maps from 1870 that shows different industrial sites across Manhattan and Brooklyn, as the five boroughs were yet to be consolidated.
article_snippet: Pictured is a a 1858 panorama of the city .
article_snippet: Pictured is an 1884 image of streetcars running past the Astor House Hotel, along Broadway and Vesey Street in Manhattan .
article_snippet: An 1889 trading on the floor of the New York Stock Exchange. 
article_snippet: Pictured on the left is  Wall Street in the 1890's and on the right
article_snippet: The Waldorf, which opened March 13, 1893 .