Sine Electrometer

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“The sine electrometer of August, is a modification of the single pendulum electroscope, analogous in principle to Pouillet’s sine compass. A is a pendulum suspended by two threads to secure motion in one plane; B is a ball fixd to the case, and connected with a suitable electrode.” — Encyclopedia Britannica, 1893


The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)


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