Index of Technical Features

Radio Record, Volume III, Issue 28, 24 January 1930, Page 25

Index of Technical Features

Volume Ifl to Date All: 1929, unless "30," appears in parentheses aftér date.

A.C. Valve Protection Oct. 4 Audio Stage, Adding an Sept. 18 "Beginner" ‘Three-valve Set- .........-2-+- Sept. 6, 13 Browning-Drake, Aerial and Secondary Coils for cccccccvceeses Sept. 20 Browning-Drake, AC., (Coil Oct. 4 Browning-Drake A.C. Two-valve Tuner .... Sept. 20 Condensers, Blocking . (A.C. Resistance) .. Jan. 17 (30) D.C. to. A.C. Operation Sept. 20 Detector Unit, AnodeBend ....eeeeee ..-. Aug. 16, 23 Eliminators, "ABC" ... Sept. 20 Hliminators, Direct Current .eerevceceeese Oct..25 Fading, Principles of .. Oct. 4 Frame Antennae, Theory and Construction -- Dec. 6, 18 Gramophone Pick-up Aug. 2 Grid Bias, for A.C. Reeeivers ooccccccee Sept. 20 Grid Bias, Obtaining Accurate -s wwe aeee Jan. 17 (30) Heaviside Layer Theory Sept. 6 High Frequency Chokes, ; Design of ...... eee. Dee. 18 "Home-made" Three .... Sept. 6 ‘""Home-made" Three Refinements ....0+-. Oct. 18 Inductance Coils ..... Aug. 23 Sept. 27 Noy. 15

Loudspeaker, Adaption of Linen Diaphragm .. July 26 Loudspeaker, An Improved Linen Diaphragm .. Noises, Their Dlimina1 (0) | rs Parallel Feed, The _ efficiency Of ....ceeeeee Portable, "Tongariro" .. Oct. 11 Sept. 13 Oct. 4 Noy. 22, 29 Portable, Cutting Cur--. rent Consumption in .. Power Pack for 250 Valves ececccceces Nov. 19 Dec. 27 to ‘ Jan. 10 (30) Power Valve Output .... Power Amplifiers, A Chat About: ..... eee Power Amplifier, A.C. .. Power Valves, Their Choice s.eseeeevece Regenaformer, A New .. Regulations, P. & T. (In Respect of Interference) coeercsevoce "Sereen-Grid Detector" TWO sccossececoees Speaker, Cone Construction of ....6- encese Station Designations in Kes. and Metres ..... Stations, List of Highpowered wcecceee "Trampers’ Two" eesoo Transformer, Power (Design and Construction) Jan. 17 (30) July 19 Sept. 20 Sept. 20 Oct. 11 Sept. 13 Noy. 1 Dee. 6 July 26 wec, 20, 27 Nov. 29, Dec. 6 Dec. 20