Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1472
e 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 ijpf solutions is essential to the cells 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…
