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https://www.edisontc.org/ui/files/2016/03/CompassMeter-N.jpg19201080The Edison Tech Center is proud to announce the publishing of our main video of this project: the Unit I video on ammeters and voltmeters. This nine minute video covers the history of meters from 1800 until today. We talk about the need for meters, then the development of Galvanometers and later the moving coil … Continue reading