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 1942. "Synthetic rubber (Ameripol). Worker standing on blowdown tank, ready to tap polymerizer tank at the Akron, Ohio, synthetic rubber plant of the B.F. Goodrich Co." View full size. 4x5 nitrate negative by Alfred Palmer.
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