Unnumbered Page Advertisement 1

Radio Record, Volume II, Issue 13, 12 October 1928, Unnumbered Page

NATTONAL The National 7180 B Eliminator Hie is designed tor lasting seruice and has liberal tactorsof safety It is a Strictly Heavy Duty Power Unit, with Output Rating up to 70 Mils. at 180 Volts: It has five toppings: 222, 67, 90 and 180, all of which are adjustable' to either higher or lower Voltages as desired. Retail 812-10-0 4 S K Y 0 U R D.E A- L E R T 0 D E M 0 N S TR A TE