Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.

February 1940. Shoppers on a wet winter day in the business district of Iowa City. View full size. 35mm nitrate negative by Arthur Rothstein. Greetings to his daughter, Shorpy fan Annie Rothstein-Segan. "Dad would have loved to know that you feature his pictures so often," she writes. Thanks and Happy Holidays!
Notice the glass sidewalk bricks in the left of the photo. Embedded in the concrete and lit from below, they used to be quite popular in big cities. I've seen them as far North as Saskatoon Saskatchewan and South as far as Tupelo Mississippi. Pity none of them seem to work any longer.
[They also used those to let the sun in to illuminate basements. - Dave]
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