Electronic electroscope for showing electric charge and its sign, whereby either a blue or a red LED lights up in the presence of charge. Includes two 1.5-V batteries (AA).

Charge Indicator (Electroscope)

3B Scientific

$202.00
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SKU:
005-1009962
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Inexpensive instrument with dial for demonstrating electrical charge and voltage potential. Designed in the form of a stand base, frame, aluminium rod with magnet holder and electroscope unit.

Electroscope S

005-1009964

$247.82
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