Index of Technical Features for Volume IV.

Radio Record, Volume V, Issue 1, 17 July 1931, Page 29

Index of Technical Features for Volume IV.

X Daniell’s Cells Listed Alphabetically in Order and Appearance "Akarana" Band Pass Four .....-.+- weccsccee Amplifier-Kit modification for L.W.....eseees Audio Choke Construction ..cscsoescceescceoes Amplifier-Radio for L.W. eceoseeerereceseeeoeeoee Aerials ee ee ecco eeseeeeereeseeeeeee _ Accumulators ‘(Care Of) cocseccsceceececs Aerial Resistance ........006 re Tol Battery. "Air Cell" eeaoe eooseoaereosooereesoe Beverage Aerial "B" Battery Construction Breaking Into the Amateur Game Battery Problem Jeuacucveesecess oc eceecee . Condenser Speaker = ss eeececeeecesreeeseces Coils, Inductance. Winding the Optimum Coil Choke Constructian (Audio) Crystal Sets oc. se cece een cvcercccecscscoscns Combining Crystal and Valve .. Choke Winding and Short-wave Colonial Model. 33 A.G. (Test) c.coccsceveree Coils for Differential Series Coils, Construction data for S.W. ......eeen ene Coil and Field, Voice for Moving Coil ee Crystal Set. -'Knife- edge" Adaption ....cscsece Crystal Set, "Rejecta.’ Crystal Set, "Rejecta Il" ......ccccccceeevces Condensers. Midgets, Uses Of ccoccecccsscvece Daniell’s Cells, correction ....e.s. ob eeescccces Differential One .......... ec cccnesececeavecces Dynamic Speaker Faults .......0. peacsasvece Differential Two ...sececeevvccs PETeTTTTITT Differential Three ... eee ceee ec ccccccccaccen DX-ing and Constructing ....cscceccevcccccsees Differential Four = ....ereccccee ee ccccccccese — Diagnosis of Radio cece eeeee er seeesecccees Dual Gramophone Motor (Lab. Jottings) ....:. Bliminators (Small and large for D.C. Mains) .. Hlectric Gramophone Ejector for any Circuit, "S.H.H." ...... odeceese Ejector for any Cireuit (Amendments) cocecces Darth, ‘Back to the Land" ......cccceevcceccce ' Gramophone Speed Indicator ...ccceccccesseccee . Home Country Portable ..........-. Country Portable ( concluded) Ham Abbreviations .......... eee ceccccccvcace Hum in A.C. Sets (locating) ITTTeT TIT TTT TT eseeecogees Interference Filter @eeoeere es eeeeeseseccoteereses Loftin White Three TETTTTLTTPTITITT TT rrr ree Loftin White Four ...... occ cccccccecccccgeccs Locating Interference Sources .....ccccecscces Locating Noise in Receivers ....sccccccecccocee August 22, 1930. September 5 and 19, 1930. November 7, 1930. November 14, 193 30. Nov. 21 and Dee. 19, 1930. January 2, 1931. May 1, 1931. May 8, 1931. October 38, 1950. June 6, 1930. December 6, 1930. January 2, 1931. January 12, 1931. January 16, 1931. May 15, 1981.: July 18, and Sept. 1, 1930, 12, 1930. November 7, "1930. December 19, 1930. February 6, 1931. January 30, 1931. February: 20, 1931. March 27, "1981, April 2, 1931. May 22, 1931. May 22’ 1931. May 22. 19 June 19, 1938 June 26 and ; uly 10, 1981, | Aug. 8 and Nov. 7, 1930. November 14, 1930. December 26, 1930. January 16, 1931. January 23, 1931. February 27, 1931. November 28, 1930. April 2, 1931. July 3 and 10, 1931. . July 3, 19381. October 8 to 24, 1950. December 5, 0. January . March 6, 4931. June 6, 1930. April 24, 1931. January 2, 1931. January 9, 1931. April 2, 1931. April 10, 1931. January 9, 1931. — Nov. 14, 21 and 28, 1930. December 5 and 12, 1830. March 6, 19381. . April 24, 1931.

Mareoniphone Pickup (Lab. Jottings). ..eeseseee "Night Hawk 2" compl. Diff. Receiver scecveee Overlap (To Oure) "Outspan Five" Philips Combination (Lab. Jottings) ..vecceecsss Palliard Pickup (Lab. Report) .... Pierce Barth System .....-.-++-0- PPT TTT TTT Pentode Valve (The operation Of) .ccvccoveserce Power Unit and Battery Charger ...ccceessvses eecetepseeerezaseeos eB oeee , ’ Aeeee reese soeeseFORaSSeeHee Resonator eee eee eee ee eee eee eT eGR SeFas2Aaseo# Resonator (Lab. Jottings) R.F. Transformers (Design for) ..sccccescsceces Ranger Two eeeoenraeseeseseesrere Sereen Grid (Experimenter) Superheterodyne Short-wave Adapter Signals "Q." Sellen’s Short-wave Set oeece Speaker, Kolster Brandes (Lab. Jottings) ceecee Treating Sulphated Accumulators ... Trinadyne Crystal Amplifier .....-sse0. wccedee Trinadyne, A.C. Version ... Tuning a Short-wave Set .coccccesscccseoccees eceooseoeeaeoeeaetgooeoee Volume of Signals es ccesacsvceecvecesgsece Valve, Variable New ..-ccecccscecaceccccscerce Wavetrap (An ejector for any receiving circuit).. Wavetrap for Long and Short Waves .... Wavetrap, and easily built, discriminating between 2YA and ZW ‘ Wavelength Calibration . eerocoee copes oseeessoseo ‘December 5, 1930. January 30, 1931. October 17, 1930. February 20, 1931. October 17, 1930. January 2, 1931, Mareh 6, 1981 March 20 and 27, 1981. March 15, 1931. July 4, 1930. March 20, 1931. May 29 and June 5, 1931. June 12, 1931. August 15, 1930. October 31; 1930. April 2, 1930. April 17, 1951. May 15, 1931. January 2, 1931. March 27, 1931. May 8, 1931. | May 8, 1931. April 2, 1931. May 15, 1931. January 9, 1930. May 1, 1931. May 22 to June 5, 1931," June 5, 1931.