Keyword: "consisting of a pile of alternate disks of two dissimilar metals" | ClipArt ETC

"Volta's arrangement for producing a current of electricity, consisting of a pile of alternate disks of two dissimilar metals, as copper and zinc, zinc and silver, zinc and platinum, separated by pieces of flannel or pasteboard moistened with salt water or with water acidulated with sulphuric acid."—(Charles Leonard-Stuart, 1911)

Voltaic Pile

"Volta's arrangement for producing a current of electricity, consisting of a pile of alternate disks…