1920's to 1970's.
Click on the photo, and then you can open it in a new window.
Also, you can copy and paste the link below, but you need to take out the spaces in the "http" and the "com". This link will give you a tile view, which is easier to navigate.
htt p://www.flickr.c om/photos/fixbuffalo/sets/72157618566737549/