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Scientific Apparatus
Potentiometer

Model # 398521. Has various ID marks: Chemistry Division 1561, NDRC-4; another mark NDRC-14 on lid; and Chemical Engineering #4909. Manufacturer: Leeds & Northrup Co., Philadelphia, World War II era.


ID: 1989-00305

LENGTH: 20 x 9 x 9 inches; QUANTITY: 1

Topics: Electricity

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