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Flotation Machine

Gold Leaf Electroscope

2007-10-19the gold leaf electroscope invented in 1786 by abraham bennet 1750-1799 included two earthing strips ganot notes that the delicacy of this electroscope may be increased by adapting to the foot of the apparatus two metal rods terminating in knobs for these knobs being excited by induction from the gold leaves react upon.

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