This book, "I. A study of the hydrogen electrode, of the calomel electrode and of contact potential. II. A study of the ethylene electrode. III. Studies in oxidation and reduction. 1", by Walter Fieldhouse Clarke, is a replication of a book originally published before 1916. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.