A Group of Four Demonstration Electrostatic Induction
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A Group of Four Demonstration Electrostatic Induction Spheres, Late 19th Century.
Two spheres with upper hole leading to the hollow interior to demonstrate electrostatic charge is on the outside of the conductor. Together with two sets of Biot hemispheres, which are also used to demonstrate that the charge resides on the outside of a conductor.
H: 24 D: 4 ins.
Proceeds to benefit the Case Western Reserve University Dayton Miller Scholarship Fund.
Two spheres with upper hole leading to the hollow interior to demonstrate electrostatic charge is on the outside of the conductor. Together with two sets of Biot hemispheres, which are also used to demonstrate that the charge resides on the outside of a conductor.
H: 24 D: 4 ins.
Proceeds to benefit the Case Western Reserve University Dayton Miller Scholarship Fund.
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A Group of Four Demonstration Electrostatic Induction
Estimate $300 - $500
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