Kikingaradi
February 1919 Popular Science article about Lightning Arresters and how they were used in early AC and DC power distribution systems, Electrical Devices and How They Work, Part 14: Lightning Arresters, Popular Science monthly, February 1919, 5 unnumbered pages, Scanned by Google Books: http://books.google.com/books?id=7igDAAAAMBAJ&pg=PT17