Page 16 Advertisement 1

Radio Record, Volume V, Issue 20, 27 November 1931, Page 16

ALL BRITISH COMPONENTS For the 66 Eagle Five" Cireuit The famous Marconi Screen-Grid Valve Type: S.625 for _ inclusion in the special circuit described in this week' $ "Radio Record" can now be obtained at 8 remark- ably low figure from all Radio Dealers. For best results in this special circuit 28 well 88 all other circuits use only AWA Ideal Transformers, AWA Logarithmic Condenser? and AWA Valve Socketo. 31 THMc THE A.WT.A_ VALVE SOCkET High-grade genuine moulded Bakelite Insulationa UX and UY typeg. The A.WA IDEAL TRANSFORMER j8 available in three ratios 2-1 341 and 5-_1. They are enclosed in The AWA. en attractive bronze duco-finished shield, the average weight being pound 4} ounceb. The overall measurements are; base, 2 3-8 inches by 2 inches, and height 3 3-8 inchee. LOGARITHMIC The Ideal Trangformer has been designed to give distortionless reproduction CONDENSER over the broadcast Frequencieg, and includeg ample iron and copper combined with high-grade ingulation, thus enuring efficient performance uzder all normal condition8. The terminale are mounted low down to is manufactured in: four capacities: .0005 mfd: (23 plates) , bimplify wiring and each is clearly indicated with its eorrect .00035 mfd: (147 plates) , .00025 mfd: (13 plates) , .0001 mfd: designation: (7 plates) , and j8 s0 designed that it Followe a true logarithmic scale throughout. They incorporate an absolute minimum Above Goods Obtainable at all High-grade Radio Stores. of ingulating material; and the metal frame has been reduced a9 far 48 practical, thereby ensuring low log8, especially on short waved: ad Vr MRELESs Wireless They are designed on the centraline principle which, combined Amalgamated with their logarithmic (square law) characteristic, engures selectivity in tuning: The hollow spindle makes provision Wsi) Ltd For clockwige and anti-clockwise movement, together with gang operation if required; The entire Condenser is silver- Po. BOX 830, WELLINGTON: plated; giving it a neat and attractive appearance: