1935 article refers to new very high frequency (VHF) transmission equipment, in addition to original 2050 kilocycles frequency. 1939 article refers to the development of a sweep circuit for television recievers.
Prof. E.B. Kurtz, head of the Dept. of Electrical Engineering, adjusting a television receiving set manufactured by Echophone Company. Echophone manufactured sets that were capable of receiving the W9XK signal.
Prof. E.B. Kurtz, head of the Dept. of Electrical engineering, looking through a bank of ten photoelectric cells mounted in frame for use at W9XK studio, 1933.