You searched for: “voltaic pile
Voltaic pile, Volta's pile
1. A rudimentary primary battery that consists of a series of disks made of two different metals; such as, zinc and copper, stacked alternately with electrolytes, soaked cloth , or paper disks.
2. The first source of a steady electric current, a simple form of electric battery developed by Alessandro Volta in 1799.

It consisted of alternating zinc and silver disks separated by material soaked in brine or salt water.

This entry is located in the following unit: volt + (page 8)