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Title: Portable potentiometer no [Go to resource]
Description: Portable potentiometer no. L-150951 by the Cambridge Instrument Co. Ltd, range 0-20mV, plus x1 to x5 range multiplier, with thermometer, built-in `pot' galvanometer, and with 100mV potential source mounted in the lid License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1940-1959 Source: Science Museum Creator: Cambridge Instrument Company Limited Identifier: 1991-246 Go to resource More Like this...
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