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Electrical dischargers and doublers, 18th century
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Electrical dischargers and doublers, 18th century
Electrical dischargers and doublers, including Tiberius Cavallos multiplier, 18th century. Copperplate engraving by Wilson Lowry from Abraham Rees Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, Longman, Hurst, Rees, Orme and Brown, London, 1810
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Media ID 23164810
© Florilegius/Mary Evans
Abraham Arts Cavallo Cyclopedia Dictionary Electrical Electricity Engineering Rees Revolution Sciences Tiberius Universal
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EDITORS COMMENTS
1. Title: "Electrical Wonders of the Past: Tiberius Cavallo's Multiplier and Dischargers, 18th Century" This copperplate engraving, taken from Abraham Rees' Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, published in London in 1810, offers a fascinating glimpse into the world of electrical experimentation during the 18th century. The image showcases a collection of electrical dischargers and doublers, with particular emphasis on Tiberius Cavallo's multiplier. In the foreground, we see Cavallo's multiplier, an intricately designed apparatus used to generate multiple sparks from a single electrical discharge. The device, consisting of a series of glass tubes and metal conductors, is connected to a Leyden jar, a type of early capacitor used to store electrical charge. When the jar is discharged, the multiplier amplifies the resulting spark, creating a spectacular display of electrical arcs. Surrounding Cavallo's multiplier are various other electrical dischargers and doublers, including a simple Leyden jar setup, a spark gap, and a condenser. These devices, which were essential tools for early electrical researchers, allowed scientists to study the properties of electricity and make groundbreaking discoveries that laid the foundation for the Industrial Revolution. The detailed engraving, produced by Wilson Lowry, not only showcases the ingenuity and curiosity of 18th-century scientists but also serves as a testament to the importance of electrical research in the development of modern technology. This image invites us to explore the rich history of electrical engineering and marvel at the wonders of the past.
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