This flask electroscope is meant for use in experiments on detection of electric charge and determination of polarity. It consists of a 250mL Erlenmeyer flask, and a plated rod with a knob of diameter 16mm (2/3in) passing through a rubber stopper. A pair of aluminum leaves are suspended from the rod. Good for experiments in the classroom setting or for use in a science project.
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.