Here is a directory of videos produced for the Universe of Instrumentation Program.
Series Intro Video:
Unit I. Sensing Electricity
Amp and Volt Meters – main video for Unit I
Basic Digital Multimeter – the modern age of hand-held meters
Vacuum Tube Multimeters – more accuracy, smaller package
Current Transformers – used to meter high voltages
Antique Amp and Volt Meters – visuals of historic meters
Unit II. Time and Electricity
Unit III. Seeing with Electricity
Unit IV. Mechanical-electrical