Serial number #208861. According to the Leeds & Northrup catalog ED 1936, this is a DC moving coil, reflecting galvanometer, type P. This design is for wall-mounting and could be used as part of a suggested laboratory lamp and scale device. See catalog, p. 30. Photocopy from catalog in file; original catalog in file for ST-PH-16. Manufacturer: Leeds & Northrup Co, Philadelphia, 1930s.

Creation Jan. 1, 1930

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