Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 38, 3 April 1931, Unnumbered Page

The 1931 66 Guides IS ON SALE EVERYWHERE ? For the: last six months our readers have been anxiously awsiting the pub- lication of the 1931 _ edition; end we now have pleasure in announcing ita #Ppearance for sale. Copies may be obtained from any bookseller or radio- dealer right throughout New Zealand: As_ in former years, every phase of radio ihas been exhaustively and simply 'discussed and tables and charts brought up-to-date; whjlst the stations calla soction Jow covers twenty-threc pages, 80 those who Purchase the: latest work are sure to find that they: once more have obtained 2 iwonderful book of reference and instruction: CHAPTERS OF INTEREST Chapter 17-Radio ilt Ncwo Zealand: For Amateur Constructors Chapter 2"4 brief @cco1int of tlie Many. new ideas are shown in this ycar 8 circuits, all of whick have been tecknique of broadcasting. Linking up tried and proven in the laboratory before inclusion jn the Guide: zuith recording for gramophones and Constructors may build with our guidance any sct UP to fve- valves,- no talkies: Selectivity and the Robinson matter whether it be A.c: or battery, combination Or shortwave; phould they. Radiostat. Scts : Howv they work. All desire_ 'to do s0. types, from crystals to super-hetero- Perhaps the most Popular shortwave circuit will Prove to 'p the: tcreen-grid dsichaptcr 3-~Gramophoncs scction A.c: recejver using four valves; the test model in our laboratory hes brought Notes 01t popular gramophone topics, in England, Holland and America with full loud-speaker strength, and: theS etc. other circuits described are equally a5 good 46 thic one in fulflling the Pur" bicChapier 4-Constructions including Pose for which they werc designed, tips amd jottings, and howv to make all tybes of sets with comiplete circuits. 66 91 Chapter 5.-Transformcr constructiol The Cavl Book Section Chapter: 6--Short-wave reception and. The most comprehensive call book ever published in the Southern Hemid- transmiissiol Complete circuits for dif- ferent tybes of short-wade scts Gnd adap phere will be included in the 1931 Guide. All the Newr: { Zealend and tors: Australian stations listed will have complete particularsrof#call-sign, addre8s, Chapter_ 7~Trouble tacking method: power; wave-length frequency, and hours of operation. fully described. For the purposes of overseas compilation we have, had numerou: official Chapter 8-~Call Book. Every sta correspondents in many parts of the world forwarding full detoils 'of the tion that ca1 be heard i# Newv Zcaland stations in their particular countries. is listed , giving full dctails 05 to call; Sufficient is it to say that over_ 400 American stetions ae liated; siving sign-frequcncy, etc. all details: with the exception Jof hours of operation: Statione "n such coun- Chabter 9:~Refcrencc scction tries 2 Canada;, Mexico, Cuba; Japan, and China' heve' also Been similarly Choptcr 10.-Glossary of wireless dealt witha terms. The most important shortwave tranamitters in alI countries-arCv "given;_with their hours of operation in New Zealand timc: RADIO GUIDE and CALL BOOK Obtainable from_ all Price 2/6 Radio Dealers and "RADIO Booksellers: RECORD" Ro:' Box-. 1032, Country Readers may Wellington: Published by the use the Coupon Pleate find en- closed PN for 2/10, being payment (& post- 4ge) , 'for one "Radio Guide and Call Book;' It ia to be dispatched to. me immediately: _ Radto Recorb Name {8707ir6 87a 670 Address , Po: Box 1032 WELLINGTON 3/4/3L