X 



A 



D 



C 



H 



/W. f>jf//ii/w/ \'l'/M''', 



■^- 



'r -- vr'-^y~'ir//:* ' y'/^''W^!'".^"^^^^ ^ ^ ^ ^ 



r^ 



> 



Fig. 3. — Diagram of tower telescope and spectro-bolometer 



