Ayrton , W.E.. Practical Electricity: A Laboratory and Lecture Course / Textual Documents W.E.Ayrton & T.Mather. - 1st ed. / - London : Cassell and Co.Ltd. , 1911. - 539p. ; 22cm. Subjects--Index Terms: Electricity G-Physics Dewey Class. No.: 537 / Ay 68 P