Show ETHER WAVES 0 I l I H tl Never touch the Inside of a set when It Is In operation The most common source of ot tro trouble I wIthin a radio set Is In the tubes or orIn orin orIn In the sockets The direction In which the antenna points affects the loudness of the sig sIg- sIgnals sig- sig signals signals nals received An aerial Is not essential not essential with a sen sensitive en- en set employing Ing two stages of radio frequency amplification I 1 When using the aa as a single circuit set reverse the tickler connections If It will not oscillate Coils Colls for high frequency currents should always be wound with nonmagnetic nonmagnetic material preferably copper The ground Is one of ot the most lm- lm Important Im Important portent portions of the radio circuit Crystal detectors tors operate as long longas longas I as the detector Is In good condition Excessive resin from solder can be beI I removed with alcohol and a soft cloth I If It a listener Is bothered by having i ithe the station programs fade the cause may be with the aerial of the receiving receiving ing set If It the antenna becomes loose i and swings swIng's In the wind It will often I cause weak signals |