and on Astronomical Refractions, 569 
Hence by the table y = 25*686, p = 6*627 reckoned in lbs. 
per square inch. 
p' = 1*7466, p = *4506, = *3060 in atmospheres, 
log 1*7466 = *2422019, log *4506 = 9*6538224 
•2422019 X *0134 = *00324550546 
9*9967545 
log = 0*0704184 
0*0671729 = log 1*16727 
0*3461776 X *0134 = *00463877984 
•0704184 
*0750571 = log 1*18865 
log *18865 = 9*2756568 
log *16727 = 9*2234181 
0*0522387 
logp = 9*6538224 log// 
log a = 1*0991971 log a 
log(/ + c; = 1*0211893 logo 
1*7742088 
59*457 
= 0*2422019 
log(//^+/) 
= 9*4857179 
= 1*0991971 
log a 
= 1*0991971 
= 9*6989700 
log 1 
= 1*0000000 
1*0403690 
1*5849150 
10*974 
38*451 
38*451 
49*425 
4*6411966 
log I = 1*0000000 
log^= 9*9671554 
8*7179923 
log 94*834 = 1*9769641 
log 14*706 = 1*1674946 
log 144 = 2*1583625 
4*3263443 
log « = 2*3979400 
5*3028212 
log^(l+S) = 1*0569049 
1*9284043 4*2459163 
ar «= 17616 
84*802 
59*457 
144*259 
49*425 
94*834 
ar = 17616 expressed in lbs., M. de Pambour finds ar~ 173S7. 
[To be continued.] 
Phil, Mag, S. 3. Vol. 16. No. 106. Suppl, July 1840. 2 Q 
