Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1472
the copper solution slowly until the copper ele-ment is completely covered. Place the cell into service im-mediately. This cell will show a sharply defined line between theblue copper solution and the colorless zinc solution. Thisseparation of solutions is essential to the celPs health.Leaving the… … Fig. 684long service copper element for gravity cell zinc solution, setting free some hydrogen. This forms withthe copper sulphate, sulphuric acid and metallic copper.The sulphuric acid dissolves more zinc, while the copperplates itself on the copper element at the bottom of jar. The zinc is…
