Television. Denver B.B.B. tells TV dealers sales slump will right itself. better business journal RMN S 12, 1952 p.30 Television classes for adults planned. RMN S 16, 1952 P 35 Aladdin radio and television inc. opens bid for channel 7.. Post 0 9, 1952 p.43 Denver Television Co. opens bid for channel 7. Post 0 9, 1952 p.43. Educational TV outlet is.urged by principals. RMN 0 16, 1952 p.16 John J. Sullivan, Denver banker, named 7th metropolitan TV director. RMN 0 31, 1952 p;30