Title: Potentiometer, type K-2
Date: 1940 (approximate)
Original Format: photograph: negative
Description: Serial no. 279092. Appears to be Leeds and Northrup model K-2, with some modification to the dials on the right side. See L&N catalog E-50B(3), 1940. Mfg: Leeds and Northrup, Philadelphia, PA.
Collection: Scientific Instruments
Caltech Archives ID: ST-PH-34