Large voltaic pile,19th century

Numéro d’image : 11648894
Large voltaic pile,19th century
Voltaic pile. Part of a large voltaic pile made by Sir Humphrey Davy in 1808. Seen here is a trough containing 50 zinc plates. These would have been filled with dilute sulphuric acid. A copper plate would have been clipped to each zinc plate,the whole forming an electrochemical cell. Five of these cells made the 'great battery' with which Davy isolated several metals from their salts by electrolysis,discovering potassium,sodium,calcium,magnesium,boron and barium. This artefact is preserved at the Royal Institution,London
Licence : Droits gérés
Crédit: Science Photo Library / Royal Institution of Great Britain
Taille de l’image : 6586 px × 4271 px
Model Release : Non requis
Property Release : Non requis
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