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.
Vintage photos of:
August 1942. Republic Drill and Tool, Chicago. "Pioneers of the production line, these young workers are among the first women to operate a centerless grinder in this Midwest drill and tool plant, manned almost exclusively by women." Medium format negative by Ann Rosener, Office of War Information. View full size.