the second meeting of the wiq was held on wednesday, 15 may 1912. the president (mr. h. c. b. rockwell) was in the chair, and after routine work of the meeting, he gave the first of a series of lectures on wireless. his subject was "the loose coupling induction tuner," the use and adjustment of this instrument being lucidly explained and illustrated by diagrams. mr. rockwell also exhibited his own instrument, which was carefully examined by the members, and pertinent questions thereon being eagerly asked and were answered to the satisfaction of all. it was announced that further lectures on related topics would be given by rockwell and also by other members of the institute from time to time.