Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 41, 24 April 1931, Unnumbered Page

The 1931 sGuidess IS ON SALE EVERYWHERE For tke last" six' months our readers" have 'been anxiously awaiting the pub- lication 'of the 1931 edition; end- We now have pleasure in announcing its appearance for sale. Copies may be obtained from any bookseller or radio- dealer right throughout New-Zealand: As in former years, every phase of radio has been exhaustively_ and' simply 'discussed and tables and charts brought up-to-date; whilst the stations calls section now' covers twenty-three page8, 80 those who purchase' the latest work are sure to find that they once more have obtained & wonderful book of reference and instruction: CHAPTERS OF INTEREST For Amateur Constructors Chapter' 1~-Radio i1t New Zealand: Chapter_ 2-A brief account of the Many new ideas are shown in this year' $ circuits, all of which: have beon technique of broadcasting: Linking Wp tried and proven in the laboratory before inclusion jn the Guide: with recording: for: gramophones and Constructors may bujld with our guidance any set uP to Gve valves;; mo talkies: Selectivity_ and the Robinson matter whether it be AC. or battery, combination 'or shortweve; 'should they Radiostat. Sets Howv they wvork. All desire to do SO. types, from crystals to swper-hetero- Perhaps the most popular shortwave circuit will prove: to be' tke jcreen-grid dyne AC. receiver using four valves; the test model in our laboratory hae brought Chapter 3.-Gramophones- Section in England; Holland and America with Full loud-speaker; strength, and- the Notes O bopular gramophone topics; other circuits described are equally 28 good 83 this One jn fulelling tko'_ pur- pick-wps; etc. Chapter , 43-Construction, inchiding; pose For which they were designed: tips' and 'jottings; and howe to make all types of sets wuith complete circwits_ The 66 Call_ Book 91 Section Chapter 5.-Transformer construction Chapter 6_Short-wave receptiom and The most comprehensive CALL BOOK ever publighed in: tbe Southern Hemir transtnission. Complete circuits for, dif sphere wiill be included in the 1931 Guide: AIL the New Zealand and fercnt types of short-wade sets and adap Australian stations listed will have complete particulars of cell-sign,.addrest; tors: Chapter' 7~-Trouble tracking method power, wave-length frequency, and hours of operation: fully described. For the purposes of overseas compilation we have had numerous offcici- Chapter 8-~Call Book. Every . sta- correspondents in many parts of the world forwarding full' detaile' of the tion that cam be heard in New Zealand stations in their particular countries: is listed, giving full dctails aS to call Sufficient is it to say that over 400 American stations arO listed, givitg sign-frequcncy, ctc: all details, with the exception of hours of operation: Stationt in Auck coun- Chaptcr 9.~Rcference sectiota tries a8 Canada, Mexico, Cuba, Japan; and China have also' bech' similarly Chapter 10.-Glossary of wireless dealt with: terms: The most important shortwave transmitters_ in all countries are given;_ with their hours of operation in New Zealand time: RADIO GUIDE and CALL BooK Obtainable from all Radio Dealers and 'RADIO Price 2/6 Booksellers: RECORD: Po: Box 1032, Country Readers may_ Wellington; Published by 'the use the Coupon Pleate find en- closed PN; for 2/10, being payment (*;post- age) for one "Radio Guide and_ Call: Book" It i8 to be dispatched to me immediately. Radio Recotd Name Address Pao: BoX; I032 WELLINGTON '24/4/31:' Printed and published for the Radid Publighing Compary ot New 'Zealand Ltd. at the registered otfice, Waketield Street; Welling tom Of' ine Wellington Publishiog Lonnany utd . by George Tbompson, Of 7 Rimu Road, Kelburn, Pripter, and Roy Cecil Cemple, of Te Kaianga, Khandallab, Publisher;, Welliugton FRIDAY, APRIL 24, 1931,