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Show PLATE VARIOMETER AFFORDS FiNE TUNING i I Capacity May Be Increased By Close Adjustment of "Tickler" in n. i,. in m Director, Radio Institute of America' Another way of increasing the tuning tun-ing capacity of the receiving set ia bj sr-tiiiij; th- full benefit 61 1 1 1 - v. in irietej-. The express purpose of thifl :.il-omeier :.il-omeier m i! regenorailve set i- 'n feed Back -nerKy Into tho circuit cir-cuit off the vacuum tube which great-, ly Increasci Incomlnp signal atrengtli. B thus amplifying the original oscillations inore variation of plal current will result. By t IiIm feeding back process the' incoming sisnais are greatly tnoreo ed In volume. If the user of the IX-geneaatlVe IX-geneaatlVe sef Is patient, he can IcArni to use this variometer no thai he gets! the greatest possible selectivity. The beat results are obtained" when ih. circuit ih oscillating. This may be determined by thel sound in the head phone which Is slm-1 liar lo a Imsingr sound. liy the uee of this set, signals from I dampc.l r Bpurk stations will be dls-lorted dls-lorted but readable, instead of cm lug In it ti a high pit hi d noti Ihl utgnals will sound mush I ndamped or continuous wues (either telegrapii ui tel. phone) will come In their natural na-tural t o n A howling noise im l.e b ud Thin Indicates thai yu have too mui b variation of the plate variometer oi too much "B" battel!'. The plate I variometer Is frequently referred Lo ths 'tlcKler.', i |