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Title: Two plug-in hot wire and thermocouple units and one base wit [Go to resource]
Description: Two plug-in hot wire and thermocouple units and one base with socket, made in the USA by Western Electric, and a moving coil milliammeter calibrated for use with the thermocouple units to measure high frequency alternating currents, made by the Weston Electrical Instrument Corp., circa 1925 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1922-1939 Source: Science Museum Identifier: 1994-458 Go to resource More Like this...
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