A Practical Course in Magnetism Electricity and Radio, Explaining the Principles of these Subjects by Means of over 100 Practical Examples

2nd edition. 312pp, with 291 illustrations in text. In red cloth-covered boards with gilt titles front and spine. 12mo. Boards a little faded, gently rubbed and indented on edges, gently rubbed around spine. Internally neat, clean, fresh and tight barring a hint of spotting on endpapers. Practical experiments, each with an introduction to indicate how the theory and practical of electrical experiments are associated, with sections on Magnetism, Direct Current, Alternating Current, Experiments on Motors and Radio.