I don't know if it was posted here before. There is a site which offers tons of old high-res images. It's breathtaking.
New Jersey, 1905:
New York, 1900:
Coney Island, 1905:
http://www.shorpy.com/
New Jersey, 1905:
New York, 1900:
Coney Island, 1905:
http://www.shorpy.com/