Page 28 Advertisement 1

Radio Record, Volume II, Issue 36, 22 March 1929, Page 28

The Shielded Five Neutrodyne Screening Boxes_Sheet metal supplied Or boxes made up to specifications. S. d, Sa 1. 3 'Ebonite Formers, 33in. X 1 Magnus Rheostat, 6, 10 or 2in: with strip lin: X 12in. 20 ohms, each 3 0 Empire Cloth 3 6 2 Airzone Neutralising Con- Hlb. 24G. DC.C: Wire . 2 6 densers; each 5 #b. 30G . DC.C. Wire 2 3 1 Airzone RF. Choke 2 Emmco Midget Transform 8 Cardwell .0005 Condensers, erS, each 13 9 each 12 6 Or 2 Thordarson Trangform- Or Ormond .0005 Condensers; ers, each 25 0 each 12 0 12 Terminals NP, 3d. each;, engraved, each 6 1 Fixed Condenser .0025, each 2 0 1 Panel 21 X 7, Ebonite, i0/9; 1 Fixed Condenser, .001, each 1/- 2/- Formica 18 8 9 Fixed Condensers, 45 mfd,, 1 Jack S.0. F.O_ 3 6 each 3 3 3 Ib. connecting wire, 3-length 5 Parkin 0 X Sockets 2 3 sleeving 8 2 THOS: BALLINGER 8 COs, LTD: 58-62 VICTORIA STREET WELLINGTON: 66 WHEZL TRE QUALITY Coods ARE SOLD."