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:
Honestly I am not sure what is going on here. There is something called a Spinotherapy Chart, whatever that means. The man doesn't quite look like a doctor. Any guesses? From my negatives collection. View full size.