Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 39, 10 April 1931, Unnumbered Page

The 1931 sGuides IS ON SALE EVERY WHERE ? For the last six months our readers have Been anxiously awaiting the puba lication of the 1931 edition, end wc 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, whjlst the stations calls section now covers twenty-three pages; 80 those who purchase the latest work are sure to find that they once more have obtained 2 wonderful book of reference and instruction. CHAPTERS" OF INTERES' Chapter 1Radio il1 Newe Zealand. For Anateur Coastructors Chapter 2-A brief accouumt of the Many new ideas are shown in this year' $ circuits, all of which have been technique of broadcasting: Linking wp tried and proven in the laboratory before inclusion in the- Guide: zeith recording for gramophones and Constructors Iry build with our guidance any set uP to five valves, n0 talkies: Selectivity and the Robinson matter whether it be AC: or battery , combination or shortwave, should they Radiostat: Sets How they work. AU desire to do so. types, from crystals to super-hetero- dyne. Perhaps the most popular shortwave circuit will prove to be the screen-grid Chapter 3.-Gramophones section A.C. recejver_ using four valves; the test model in our laboratory has brought Notes On pqblar gramophone topics, in England, Holland and America with full loud-speaker strength, and- the pick-ups , etc. other circuits described are equally 28 good as this one in Fulflling the Pur- Chaptcr , 4 Construction, including pose for whick they were designed. tips and jottings, and hoze to aake all types of sets zvith completc circuits; 66 Chabicr 5.-Transformcr construction Tle Call Beok 99 ection Chopter 6.-Short-zeave reception and transmission Complete circuits for dif: The most comprehensive CALL BOOK ever published in the Southern Hemi- ferent tybcs of short-wvaze scts and adab- #Rhere wjll be included in the 1931 Guide. All the New Zealand and tors. Australian stations listed will have complete particulars of call-sign, addrese, Chapter 7~Trquble tracking Ancthod power , wave-length frequency, and hours of operation. fully described. For the purposes of overseas compilation we have had numerous official Chaptcr 8--Call Book. sta- correspondents in many parts of the world Forwarding full details of the tion that can be hcard in Ncze {Evezaalatds elations in their particular countries. is Listed, giving full dctails GS to call Sufficient i8 it to say that over 400 American stations are listed, giiving sign-frcquency, ctc_ all detailg, with the exception of hours of operation. Stations in such Cour Chabtcr 9 Refcrencc scction. tries as Canada, Mexico, Cuba, Japan, and China have also been similarly Chapter 10.-Glossary of wireless dealt witha terms_ The most important shortwave transmitters in all countries are given, with their hours of operation in New Zealand time. RADIO CUIDE and CALL BOOLt Obtainable from all Price 2/6 Radio Dealers and 'RADIO Booksellers: RECORD: P.o: Box 1032, Country _ Readers may Wellington. Published by the uSe the Coupon Please find en- 4 closed PN: for 2/10, being payment (& post- age) for one "Radio Guide and Call Book:" It ig to be dispatched to e immediately. RRadio Record Name Address P.o. Box I032 WELLINGTON 8; 10/4/31. Prlnted and cublighed for the Radlo Publishing Compagy of' New 'Zealand Ltd. at the rogistorcd offico, Wakcticld Strcct, Wclling ton, ot ine Wcllington Publishing Company Lta . bx George 'hompSon , 9i Rimu Road; Kellurn, Printer, and Roy Cecil TTemple, Qf Te Kaianga, Khandalla h, Puhlisher; Wellington. FFIDAX APRIL; 10, 1c1,