90- 



Operation 



SI pattern seeding 



Testing vortex thermometer 



Instrument testing 



Observation 



Testing condensation nuclei meter 



Instrument testing 



DI seeding 



Instrument testing 



Instrument testing 



Instrument testing 



Instrument testing 



Instrument testing 



Testing condens. nuclei counter 



Instrument check 



Testing vortex thermometer 



Testing vortex thermometer, high altituc 



Salt water seeding 



DI seeding 



Instrument test 



Instrument test 



DI seeding 



DI, liquid C0 2 & water seeding 



DI & liquid C0 2 seeding 



DI seeding 



DI & SI seeding 



DI seeding 



SI ground & DI air seeding 



SI ground & DI air seeding 



SI ground & DI air seeding 



SI ground & DI air seeding 



Observing ground seeding 



Observing ground seeding 



Observing ground seeding 



Observing ground seeding 



Observing ground seeding--tie-in 



Gd. Op. #13 



Testing vortex thermometer 



Testing vortex thermometer 



Testing vortex thermometer--tie-in 



Gd. Op. #16 



DI seeding; Gd. Op. #17 



Temperature sounding; Gd. Op. #24-25 



