Unnumbered Page Advertisement 1

Radio Record, Volume II, Issue 10, 21 September 1928, Unnumbered Page

The SOUTHERN CROSS used Philips Valves again! ELIGHTED with the results obtained D by Philips Valves during the recent Sydney-Perth flight, McWilliams; Wireless Operator on the Southern Cross, has again used them for the Tasman flight: The Southern Cross heroes risked them- selves; but not their equipment: These Valves had to be dependable: They were PHILIPS _ the famous A442, A415, B443. The circuit employed for the receiving set A-442 Philips Revolu- on the aeroplane is one of the oldest in ex" Wl tionary Screened-Grid Valve: istence: Low SB" Battery consumption was of vital importance; and Philjns V~Ixzes made A-415 Philips Super- this possible: Detector Valve: B443 Philips Triple Grid Power Amplifier: Stocked by all good Radio Dealers a ILI H; Wn MIchTy-MiNIWATT' Advt. of Philips Lamps (N.Z.) , Ltd (Radio Debt.) Hope Gibbons' Building, Courtenay Place, VALVES W ellington.