772 



BELL SYSTEM TECHNICAL JOURNAL 



-ILLUMINATED COURSER 

 AND SCALE 



Fig. 43. — ATechanical arrangement of a radar indicator viewing and photographic 

 attachment for AN/APQ-7 radar bomliing equipment. 



SCALE -ILLUMINATION 



CONTROL r-CATHODE-RAY TUBE 



indicator housing j 

 (cover removed) 



RUBBER 



["gasket 



VISOR CLAMP 



VISOR 



junction box 

 (cover removed) 



Fig. 44. — Indicator design for .VN/Al'Q-13 radar homhing eciuipment. 



