the wiq's fifth meeting was held in its room at imperial chambers on wednesday, 26 june 1912. more new members were enrolled, among them being a few ladies who are already engaged in telephone work in the post and telegraph department. rockwell took for the subject of his lecture, "the rival of radiotelegraphy," and discussed with the members the principle of using the earth as a medium, in place of the air. the secretary (mr. f. h. hellawell) announced that arrangements for installing instruments for the practical classes were being expedited, and that as many as 20 members at a time would be able to receive the wave signals. the meeting concluded with a vote of thanks to the lecturer.