Page 15 Advertisement 2

Radio Record, Volume IV, Issue 31, 13 February 1931, Page 15

WAOE 'B HTTTERIES RADIO TUBES ~Double checkeD" CVARANTNED DIAMOND RADIO TUBES 2014 General Purpose 9F 171C.. Fower Tube Ac & DC; 180- 226 Ac RR & It Audio B 245 2,3V Power Tube 17/6 280 Fu Wave Rectifer 16/6 227 AC.Det: & Gen_ Rurposs_ 18- 224 Ac Screen Gria 211 DLAMOND RADIO EiftEEEs 45valt 314.*3 2+AswtOsi2877rawritc 3v9 Po5-HOWARL co 853 COLONLO Lh eharehuReh NZ?S OWN RADIO BOOKSHOP, 'The TF ARO BOOK DEPOT;, Wellington_ LOOK AT THIS LIST "Radio Manual, 9} by Sterling and Kruse, 267 = "Practical Testing Systems;" by Rider, 6/8. "Worked Examples of Blectrical: Techno- logy, 4 by Peaggood and Boyland, 18/= "Radio Physics Course;' by Ghirardi, 14/ "Radio News Handbook, 1930, 8/9. "Radio News 1001 Radio Questions and Answers, 1930,' 2/9. "Radio Newg 101 Hook-ups;' 9 1/9: "How to: Blectrify Your Set; ~P? by Osgood (USA) 1/9. sThe: All-Electric Receiver 79 by "Ligtener In" Publighing Cos, 3/6. "Radio : A Study in First Principles ' 25 by Burns, 11/- "Mathematics of Radio 19 by Rider, 10/6: 46 Radio Operating Questions and Angwer8, "Radio Nilson and Hdbox 14/a6 Amateur (Handy's) latest edition, 5/3. "Radio Amateur 'Call Book" quarterly; De- cember, 1930, 5/3. "Theory of Radio Communication; by Filgate, 12/- "Principles of Radio Communicetion;' 19 by Morecroft; 41/6. "Elements of Radio Communication; 22 by Morecroft; 19/- {Direction Finding; 28 by 27/- "Radio Data Charts;" by Kratios; "/9 "Seeitipb"y Wireless" by Stranger, 1/6. "Collins 8 Wirelegs 'Diary, 1931 792 41- "Thermionic Vacuum Tubes; by Van der Bijl, 26/- 10 "Radio Receiving Tubes; 97 byi Moyer and "How, )Woiaio Keceivers Work; 90 by Roberts, 8/- "Radio Design," 1/- per copy. "Radio Engineering' (a monthly: isgue), 21/- per annum. "Wireless, the Modern Megic Carpet;" by Ralph "Sty"Editor4/? (favourably re- vewed by Radio Record"). 93 "Radio Citizen 8 Call Book; quarterly . latest, November; 1930. Writo "8 Now. TE ARO BOOK DEPOT, 64 Courtenay Place, Wellington: