Lanes Jar

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“D is a Leyden jar, fastened to a stand in such a way that its outer armature can be insulated or connected to earth at will. The inner armature is in good metallic connection with the knob C. A horizontal metal piece A is mounted on a glass pillar, and carries another knob, which can be set at any required distance from C by means of a screw and graduation. The piece A is connected with the outer armature of the jar by a thin wire B contained in a glass tube.” — Encyclopedia Britannica, 1893


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


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