Page 29 Advertisement 1

Radio Record, Volume II, Issue 35, 15 March 1929, Page 29

The Shielded Five Neutrodyne Screening Boxes Sheet metal supplied Or boxes made up to specifications: S. 1. S. a. 3 Ebonite Forzners, 33in X 1 Magnus Rheostat, 6, 10 or 2in: with strip lin; X 12in. 20 ohms, each 3 Empire Cloth 3 6 2 Airzone Neutralising Con- }lb. 246. D.C.C. Wire . 2 6 densers; each #Ib. 306 . DC.C. Wire 2 3 1 Airzone RF_ Choke 5 0 2 Emmco Midget Transform- 3 Cardwell .0005 Condensers; ers, each 13 0 each 12 6 Or 2 Thordarson Transform- Or Ormond .0005 Condensers, 01S, each 25 each 12 12 Terminals NB, gd. each , 1 Fixed Condenser .0025, each 2 0 engraved, each 6 1 Panel 21 X 7, Ebonite; io/9; 1 Fixed Condenser; .001, each 1/- 2/- Formica 18 8 2 Fixed Condensers; 55 mfd, 1 Jack S.C. FC_ 3 6 each 3 3 } lb. connecting wire, 3-length 5 Parkin U X Sockets 2 3 sleeving 3 2 THOS. BALLINGER 8 COj, LTD: 58-62 VICTORIA STREET WELLINGTON 66 WHERL THE QUALITY GOODS ARE SOLD."