English, c.1880, unsigned the main glass mold blown body with brass collar, with 2 carbon electrodes, and single zink electrode, height 25cm

Footnote: The Bichromate or Chromic acid cell is a type of primary cell that uses chromic acid as a depolarizer. The chromic acid is usually made by acidifying (with sulfuric acid) a solution of potassium dichromate. The old name for potassium dichromate is potassium bichromate and the cell is often called a Bichromate cell