Page 22 Advertisement 1

Radio Record, Volume VI, Issue 33, 24 February 1933, Page 22

EFFIcENCY_ CoNSISTENCY_ Lona LIFE all ensured by the MICA BRIDGE TESD three features _ al1 demanded by the digcriminating valve user_are ALWAYS found in Coggor AC. Valves due to the u80 of the famous Cossor Mica Bridge mounting -a system which gives these definite advantages X (1) Microgcopic aCe curacy in aeBembly of electrodes Cno auring maximum eflciency. (2) Prevents variation in electrode specing and consequent gar- iation in character- isticga (3) Imparts great mechanical strength; thereby ensuring ex- ceptionally long life: When you buy_ 2 Cosgor A.C. Valve You KNOW that its performance will be in accordance with itg stated characteristics-and that it will retain those characteristics throughout the length Of itg exceptionally long life: This illustration shows how the Cosgor Mica Bridge is applied osson to Cossor AC. Valves. Adapta- tions of the Mica Bridge are used in all Cossor Valves. NJ Digtributorg THOS: BALLINGER 8 COos LTD: FICTOBIA 8T, WELLINGTON. Cosson IoO PER CENT BRITISH Also availa ble in American AC: Types. VALIES