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3B Scientific U8557100 Charge Indicator (Electroscope)
Product Details Item Weight: 36.3 g Boxed-product Weight: 159 g Item model number: 1009962 #77 in Science Education Measurement Kits Includes two 1.5-V batteries (AA) Dimensions: 62x67x20 mm3 approx Weight: 85 g approx Sold in each Electronic electroscope for showing electric charge and its sign, wherebyeither a blue or a red LED lights up in the presence of charge.
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Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: GB