Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 9, 12 September 1930, Unnumbered Page

OUT IN FRONT PHILIPS Laboratories the design of the vatve_the results they give_all are OUT IN FRONT S5 unquestionably years ahead of competitors lt i8 to Philips that credit must be given for the introduction of the Penthode five-element valve; and the Ac: Screen Grid tube_both of such revolutionary design that it was made possible for three valves: to do the work of five: K Valves Ap AND 6E W1BR Adrt 0f Philibs Lambs (NZ,) Ltd, (Radio Division) , Hope Gibbons Building, Courtenay Place, Wellinglon Auckland Office : 611 Dilzortl Building, Aluckland. QMILIRs