CASSEGRATN REFLECTOR WITH CORRECTED FIELD. 51 



sve have then for the piece O",...O 6 , 



1, +'906760'! f 1, ] fl, +'012500'! f 1, * 



1 J [+'238736, + '657895 J[* 1 J[ +1 '062521, +1'520000 



1, +'005000] f + 1'010127, + -929210] 



< I k [], 



1 J [+1-428571, +2-304108 J 



and 



"1, +-9067601 f. 1, * I f 1 ' +' 012500 l f L * 1 



1 _ +'243282, +'651381 J 1 ^ + T093579, +1'535200J 



"1, + '005000 "I f + 1'010393, + '929370] 



*< > [n + Sn]. 



1 J [+T470392, +2-3421 97 J 



Now, taking the reverser first as given on p. 49, we have for the system 

 <>... O",, 



1, *1 fl, +1'320133"1 f 1, * 1 f 1 ' f ' 020000 l 



-'500000, lj [* 1 J [-'160450, h '657895 J [* 1 J 



1, *] fl, +'020000] f 1, * ] 







+ '901306, lj 1* 1 J [-'243885, +1'520000/ 



+ '330582, +1 '36 1934"! 



-'208333, +2'16667 J 

 and 



1, *1 fl, +1-320133"! f 1, * 1 f l> +' 020000 



500000, lj [* 1 1_--163505, +'651381 J [* 1 



1, *| fl, .+-020000"! 



+ '901306, lj [* 1 [-'251014, +1*535200 



1, I i, T VXlUVW I i, 



X 



+ '330672, +T 36 1508] 



> [n + Sn], 

 -'208522, +2'165574j 



H 2 



