Corrected second edition of the classic work. Chapter titles are ...(1) Introduction ...(2) Literature on the Electrodeposition of Cobalt ...(3) Experiments on the Electrodeposition of Cobalt ...(4) Method and Arrangements for Plating ...(5) Preparation and Use of Electrodes ...(6) Preparation of Salts ...(7) Solubility of Cobalt and Nickel Salts ...(8) Method of Computing Current Densities ...(9) Aging Tests ...(10) Efficiency Tests ...(11) Experiments - a series of practical examples.