Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 42, 1 May 1931, Unnumbered Page

The 1931 ssGuides IS ON SALE EVERYWHERE ? For the last sir monthe 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 radioa dealer right throughout New Zealand; As in former years, every phage of radio has been exhaustively and simply 'discussed and tables and charts brought up-to-date, whilst the stations callg section now covers twenty-three pages, 80 those who purchase the latest work are sure to find that they once more have obtained 4 wonderful book of reference and instruction: CHAPTERS 0F INTEREST For Amateut Construetors Chapter 1~-Radio i11 Neze Zealand. Chapter 2_A bricf Cccount of the Many new ideas are shown in this year' 5 circuits, all of which have beer technique of broadcasting: Linking wb tried and proven in the laboratory before inclusion in the Guide. rith recording for gramobhones and Constructors may build with our guidance any set up to five valves, no talkies; Selectivity and the Robinson matter whether it be A.C o1" battery , combination or shortwave, should they Radiostat. Sets 2 Howv they zvork. All desire to do S0. types; from crystals to super-hetero- Perhaps the most popular shortwave circuit will prove to be the screen-grid dyne. AC. receiver using four valves; the test model in our laboratory has brought Chabter 3-Grannobhones section in England, Holland and America with full loud-speaker strength, and the Notes 01 popular gramobhone topics, other circuits described are equally 48 good 28 this one in fulflling the pura pick-ups , ctc. Chapter 4--Construction, including pose for which they were designed: tips and jottings, and horv t0 make all types of sets with comblete circuits: The 66 Call Book 99 Section Chabter 5.-Transformer construction: Chapter 62_Short-wvave recebtion and The- most comprehengive CALL BOOK ever published in the Southern Hemia transmission: Complete circits for dif sphere wjill be included in the 1931 Guide, AIl the New Zealand and ferent types of short-wave scts and adab- Australian stations listed will have complete particulars of call-sign, address, tors Chapter 7~Trouble tracking mnethod power, wave-length frequency, and hours of operation: fully described, For the purposes of overseas compilation we have had numerous official Chapter 8,-Call Book. Evcry sta- correspondents in many parts of the world forwarding Full details of the tion that catl be heard i1 Neze Zealand stations in their particular countries- is listed, giving full details CS to call Sufficient is it to say that over 400 American stations are listed, giving sigi-frequency_ etc. all details, with the exception of hours of operation: Stations in such couno Chapter 9, Refcrence scction tries as Canada, Mexico, Cuba, Japan, and China have also been similarly Chapter 10-_Glossary of wircless dealt with. terans; The most important shortwave transmitters in all countries are giver, with their bours of operation in New Zealand time: RADIO CUIDE and CALL BoOK Obtainable from all Price 2/6 Radio Dealers and ~RADIO Booksellers. RFCORD Po. Box 1032, Country _ Readers may Wellington. Published by the uSe the Coupon Please find en- cloged PN, for 2/10, being payment (& post- age) for one "Radio Guide and Call Book. It is to be dispatched to Ine immediately. Ranio Rerorw Name Address Po: Box I034 WELLINGTON 1/5/31. Ptinted and published 'for the Radio Publishing Compacy 0t' Neiv 'Lealand Ltd. at the regigtered ofiice, Wakefield Street, Wellington, Of ine Wellington Company utd _ by George TThompson, Of 7 Rim p Road, Keaburi, Printe, and Roy Cecil Temple; 0f; Te Kaianga, Khantallab, Publisher; Wellington. FRIDAY; Dxbishing 1931