Engraving depicting John Frederic Daniell's original

Engraving depicting John Frederic Daniell's original electric cell (1836) which was the first constant battery cell. Cut away view showing an outer copper vessel B) forming the positive (+) plate, and inner porous cell C) containing a zinc cylinder forming the negative (-) plate: liquid O, O)was diluted sulphuric acid

1836 Acid Battery Constant Containing Cylinder Daniell Diluted Element Forming Frederic Liquid Porous Positive Sulphuric Zinc

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