Product: Kodak Polycontrast Single Weight Photographic Paper, 4 in. x 500 ft. (10.2 cm. x 152.4 m.), Specification 249, Surface F. Purpose: Used in darkrooms for creating prints from negatives, with the "Polycontrast" feature allowing for contrast adjustment during the exposure process using different filters. Vintage: The box has an expiration date of March 1972.
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