1 . Der ^ic&tftraljlen. 105 
5uv bae a(te (ghis: - 
- • P • , 
S)et SSortierfeite ^aIome(|er = r - 
■ 1 
P 
Ser ^intern = ^ 
5ur bas $rrcyte (Blas : 
WOv'' \ - \ 1 
iDer 33oc&ci-fci(c^»al&iri.= — 3 —;- - 
S ■ 1 1 
n+i* h— nk+ x, 
1 
P . 
Ser ^intern ^- i 
n -fi. k — nh—x, 
r 
wo n P = P unb n eine beweinte 3 a ^ ifc * 
©an nennet R ben *2lb(lanb be$ borneljmjJen S3renn- 
puncteö, ber ganzen SSerbinbung betjber ©lafer P 
unb P unb weil -p + rf° -ip P = R * un& 
1- 
P = n + i, R. ©enn man alfo biefe ®ert£e (TattP unb 
in bte 2(u$brucfungen ber ^albraejfer fe|t, fo fbmmt 
bas elfte (Blas: 
ri 4-1 
_R 
©er SBorberfeffe J^<i(6meffer = n y 
h -f- x 
n 4* 1 
©et ^intern = n , 
k _ x 
© 5 5» t 
X, 
