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 3, 1913. "Interior: N.Y. Post Office." 8x10 glass negative, George Grantham Bain Collection. View full size.
An 8x10 or 5x7 view camera using glass-plate negatives. This shot used an 8x10 glass plate - basically a windowpane coated with emulsion. At 80 square inches it has 80 times the area of a 35mm film frame.
Wonder what kind of camera this was. The photo is so sharp.
Did anyone notice the fingerprint on the right side of the photograph?
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