Page 22 Advertisement 1

Radio Record, Volume VI, Issue 29, 27 January 1933, Page 22

EFFICIENCY_ ConSISTENCY- Long LIFE_ all ensured by the MICA BRIDGE THB three fcatures _ all demanded by the discriminating valve user_are ALWAYS found in Cogsor AC Valves due to the use of the famous Cossor Mica Bridge mounting -a system which gives these definite advantageJ X (1) Microscopic a8e curacy in assembly of electrodes en} suring maxImup eficiency, (2) Prerents variatlon in electrode spacing and consequent rar- iation in character- istics; (3) Imparts Sreat mechanical strength, thereby ensuring ex- ceptionally long lifca When vou buy a Cossor A.C Valve You KNOW that its performance will be in accordancc with its stated characteristics__and that it will retain those characteristics throughout the length of its exceptionally long life. Thig illustration shows how the Cossor Mica Bridge i8 applied doasor to Cosgor A.C. Valves. Adapta tions of the Mica Bridge are used in all Cossor Valves. NX Distributors THOS: BALLINGER CO LTD: VICTORIA 8T,, WELLINGTON. Cosz0n IOO PER CENT BRITISH Also availa b le in American AC. Types: EQUIP YOUR RECEIVER WITH MULLARD VALVES and be assured Of BEST possible Results Mullard The_ BRITISH Valve VALVES