Defender Photo Supply
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Defender Photo Supply was an early leader in manufacturing of black & white sheet film, plates, printing paper, and instructional books. Incorporated in 1899 in Rochester, New York, it was purchased by DuPont in 1945.[1] A branch of the company, The Defender Dry Plate Company, was located in Wayne Junction, Germantown, Philadelphia, PA. The two company branches issued combined trade catalogs.
