Administration.

Because of technological and financial constraints, the digitised gallery does not include the city's prized collection of 720,000 photographs of every city building from 1939 to 1941. But the database is still growing, and the department plans to add more images.

New Yorkers cool off in the Astoria public pool with the Hell Gate railroad bridge looming in the background in the summer of 1940.

The Great Bambino: In this September 30, 1936, Works Progress Administration, Federal Writerís Project, photo provided by the New York City Municipal Archives, a man hands a program to baseball legend Babe Ruth, center, as he is joined by his second wife Clare, center left, and singer Kate Smith, front left, in the grandstand during Game One of the 1936 World Series at the PoloGrounds in New York

Moment in history: The headline of the newspaper the man in this May 18, 1940 photo reads: 'Nazi Army Now 75 Miles From Paris.' This picture shows the corner of Sixth Avenue and 40th Street in Manhattan

The view from New Jersey: A man peers across the Hudson River into Manhattan from his perch on the George Washington Bridge on December 22, 1936

Among the known contributors to the collection was Eugene de Salignac, the official photographer for the Department of Bridges/Plant & Structures from 1906 to 1934. A Salignac photograph, taken on October 7, 1914, and now online, shows more than a half-dozen painters lounging on wires on the Brooklyn Bridge.

'A lot of other photographers who worked for the city were pretty talented but did not