Engraving depicting Dr. Robert Hare's spiral cell
Engraving depicting Dr. Robert Hare's spiral cell, which was formed of wide bands of copper and zinc rolled around a wooden cylinder, with layers of metal kept apart by wood or cloth. The spiral would be plunged with acidulated water when in use. Strong current but little electromotive force
Picture No
13914339
Media ID
48513825
Size
4687px x 4474px
(4.7MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























