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Directors
England, circa 1830 A director is a device to carry electricity from its source to its destination, while protecting the person doing the job from getting an electric shock. A pair of directors can be seen in the frontispiece to Adams' Essay on Electricity, applying the discharge from a Leyden jar to the forearm of a young girl. There is much variation in detail, but in the eighteenth and early nineteenth centuries, only three common types of director: the single metal ball on an insulating handle, the metallic arc on an insulating handle, and the adjustable metal arc with a hinge in the middle, on two insulating handles. Pictures of typical directors are below: Later directors became more complicated.
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| The Bakken A Library and Museum of Electricity in Life 3537 Zenith Avenue South Minneapolis, MN 55416-4623, USA Join our E-Mail List Contact Us Tele: 612-926-3878 Fax: 612-927-7265 |
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