■THERMAL TUNER 

 HEATER 



THERMAL TUNING 

 STRUT 



TUNING YOKE 

 STRUT 



REPELLER 



QUARTER -WAVE 

 CHOKE 



CHOKE 



STEATITE AND GLASS 

 WINDOW 



Fig. 97. — An experimental thermally tuned retlex nscillatdr. the 1464, designed for 

 operation between the wave lengths of .0 and .7 cms. 



008 



