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PDR Exposure Calculator / Circa 1950s

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PDR Exposure Calculator / Circa 1950s

Exposure Calculator made by the Regional Soviet Prodkombinat of Dzerzhinsky .

This type of guide was used by photographers before selenium light meters became widely available. The impressed, gold-printed cardboard cover has a "PDR" logo and reads "GUMP LENGORISPOLKOMA PROMKOMBINAT DZERZHINSKY RAISOVET" (loosely: "Main Controller Agency of Metal Industry of Leningrad Executive Committee - Industrial Combine of Dzerzhinsky Regional Advisory").

This is a later version, probably dating to the 1950s or early 1960s and made of plastic, of the other PDR Exposure Guide from the 1930s listed in the catalog.

Collection of Michel of Touraine, France

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PDR Exposure Calculator / Circa 1950s

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