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Show I NEW AIR CELL RECEIVERS. USING "BREATHING- BATTERY" SOLVE. FARMERS RADIO PROBLEMS i : a , ' I Alii ELiiiufel t radto rwlver which In appear. r 7" il I y ylf mm M reU as ! perfornuore 1 M -1 NfW I I i w-y 11 U eqwU to aaoclera electric tots. II II 1 II it I Above are show three of the H 11 1 II I ew air cll MJ exhibited at M U I ! I hf nnu radio trade show In 1 j ; U Chicago. t J - - -a A radically new type ot battery operated receiver designed to bring satisfactory radio reception to the 1,000.000 families living beyond power lines and who cannot can-not use electric sets, waa d I "played "play-ed for tbe first time by ten of the country's leading set manufacturer manufactur-er at the 1 111 Radio Trade Show In Chicago recently The "air cell" sets -called cause of a revolutionary "breathing battery" they employ lor "Art current 4o not require storage, batteries, manually operated oper-ated rheostats, filament voltmeters, voltmet-ers, and other features which caused tbe failure of all previous eeta designed for farm use In appearance and performance they are like modem alternating current cur-rent seta, ranging In style from midgets to elaborate consoles They snap on and off with a simple sim-ple switch. . The new battery which made the sets possible literally breathes tbe life-giving oxygen from the air through a special uartmu 'lung" to maintain constant voltka over a long lite It will run a eeven tube "air cell" ant for over LOOK hours, or In tbe average houHebold for approximate'- a rear Some of the sets are txiui, ,.ttd wltb dynamic apttakars, while all of them use tbe latest circuits, and are considered by Industry leaders to be tbe Bnal solution to atls factory radio reception la rural sections |