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Measures electric current.
This colour scale indicates the battery condition is good, low or ready to be replaced.
For demonstrating the attraction and repulsion of electric charges.
Super Heavy Duty D Cell Battery
Standard wire available in 100 foot
For Electroscope Pith Ball with Strings.
Banana Plug in Red Color.
Hook up standard wire available in 100 foot.
These electric meters are built in transparent cases for easy projection.
Multi-projection meters
Unlimited Amount of Functional Electric Circuits, Design Electric Circuits on Your Computer And Build Them on Your Console.
