Leiden jar

The Leiden jar is the oldest and most significant capacitor and was invented in 1746 by the scientists Cuneus and Musschenbroek from Leiden in the Netherlands. The Leiden jar was the most popular capacitor for obtaining various effects of static electricity and was widely used throughout the 19th century in experimental physics. Our example was already part of the physics laboratory of the Royal Seminary of Bergara at the end of the 19th century. The piece in the photograph was used in physics, and mainly in experiments on electricity, along with the electric egg (AZT-0009), the exciter (AZ T-0016) and the Carré Machine (AZT-0058).