Unnumbered Page Advertisement 1

Radio Record, Volume IV, Issue 36, 20 March 1931, Unnumbered Page

The Guide WILL ALWAYS STAND OUT ! As the Premier Radio Publication of '1931= Incorporating prac- tically every feature that fs of interest 'to 'radio set owners, it is of a distinct service to every reader; whether it be the most disinter- ested amateur Or the case-hardened operator. Each section has been written by fully qualified technicians in an easily understood manner; with their handling the operation of the most complicated apparatus or circuit can be comfortably followed: Special attention has this year been given to For the benefit of those who are not versed in radio shortwave; both listening and transmitting: Proven technicalities and desire to augment 'their knowledge; Chap- ter 2 will be found exceedingly helpful, for 2 start is made circuits of different types are being published, with by the description of the fundamentals of radio, then starta full particulars of adaptors; which when fitted to a ing with 2 crystal set; with reasons a5 to working; and standard receiver, successfully operate On the low in easy stages full facts are given on the working of every waves. Perhaps the most popular circuit wil type of set uP to 0 superheterodyne: Profusely illustrated S0 that the written word is even made more clear- prove to be the screen-grid Ac receiver using A look at the chapters mentioned in the panel will con- four valves; the test model in our laboratory has vince you of the feld being covered this year, and readers brought in England, Holland and America with are assured of 8 hundred per cent; return on money fall loud-speaker strength: invested in purchaqing the 1931 "Radio Guide and Call Book 19 CHAPTERS OF INTERESTT THE CALL BOOK SECTION_ Chobter 2-A brief account of the The most comprehensive call book ever published in the Southern Hemjs- technique of broadcasting. Linkig up phere will be included in the 1931 Guide. AII the New Zealand and with recording for gramophones ond Australian stations listed will have complete particulars of call-sign; 'address, talkies: Selectivity and the Robinson Radiostat. Scts : FIoze they zeork, AU power, wave-length frequency, and hours of aperation. types, from crystals . to super-hetero- For the Purposes of overseas compilation we have had numerous official dyne: correspondents in many parts of the world forwarding full details of the stations in their particular countries. Ncha bte 3.~Gramophones section Suffcient is it to say that over 400 American stations are listed, gjving oneto bopular gramophone topics, all details, with the exception jof hours of operation. Stations in such coun- bicthabiere 4--Construction, inclading tries as Canada, Mexico, Cuba, Japan, and China have also been similarly dealt with. tips and jottings,_ and_ hoze to make all tybes of sets with complete circwits. The mort important shortwave transmitters in all countries are given, with Chabter 6.Short-wave reception and their hours of operation in New Zealand time: This gection alone is worth transmission. Complete circuits for dif- the prjice of the Cuide. ferent tybes of short-wave sets and adap- to Chapter 8~Trouble tracking method To Be Published On March 25 fully described. Chapter 10._ Call Book. Every sta- Complete New Zealand distribution 8 few days. tion that cOM be heard in New Zealand later. SRADIO zill be listed, giving the zave-length and 4' 1 Record: frequency: RADIO GUIDE & CALL BOOK P.o. Box 1032, Wellingtona Obtainable from all Radio Dealers and Prominent Booksellers Pleage fnd en- cloged PN: for 2/10, OR DIRECT FROM THE being Payment and post- age for one (Radio Guide" Price 2/6 and Call Book: J} It is to be dispatched to me immediately Radio Rerotd 6 upon publication: Name {0 00 00 07 Dr 4 4oocps: Ga 02 08 475 Address 10i4050 AEa 03;080 #EaeepImaper 01483058 Ma Po. Box 1032 WELLINCTON #FD BiQ Eo 0-0. 070 pio]eie "3 6-9 nrro 436/41030 "[r79 Printed and published Lor the Radio Publishing Company Of New 'ealand Lta. at the registered office; Wakefield Street, Welling ton,_ Of the Wellington Publishing Company Xtd_ by Georre 'Thompson, 0f 7 Rimu Road; Kelburn; Printer, aud Roy Cecil Temple; 0f; Te Kaiangm, Khandailab; Publigher; Wellington. TRIDAY; MARCH 20, 1931 ,