Open Case Form Electroscope
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Inexpensive Charge Detector with Scale Charge is indicated by deflection of an aluminized plastic straw which rotates freely on the saddle of the conducting rod. The conducting rod is recessed in the metal housing to shield against air currents.
Stainless Steel Straw
50 - 75 Per Piece
Stainless Steel Straw, Cast iron Roti Tawa, Stainless Steel Measuring Cup
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Paper Straw
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Paper Straw