The electrical battery is a network of Leiden jars which are interconnected and form, in effect, a Leiden jar with a large volume and surface area. As shown in the photo, the battery comprises four Leiden jars. The most common examples usually have four, six or nine bottles. The electric discharges from these batteries were capable of melting iron wire, perforating sheets of glass, evaporating gold films... Our piece is a French model from the late 19th or early 20th century and was manufactured by a house founded during the second half of the 19th. It was used in the old physics laboratory of the Royal Seminary.
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