[ 9 l6 ] 
For the fecond operation. 
A B D - f - ABC _ lg 4g 50 
2 
A B D — ABC 
io 37 30 
8 12 20 
ABC 
Sinn of i ABC ( 4 6 10) £ 0^58 
Cof. ofdccl. O 9 - 99 i 5 2 
Cof. of the lat. afiumed 9 ^35 1 3 
Sum - 30 . 000 CO = log. of the 
verf.f. AC-verf.f. AF 
7-535 Sl 
Verf. f. A C — verf. f. A F 0.006868 
Natural cof. of AC, the complement of the greater 7 0 .810212 
altitude, "5 _ _ 
Natural cof. of 35 0 12' 23" 0.817080 
_ ABD-f ABC , ABD 
Or, 1 
ABC 
Sum - 30.00000 = log. of the 
being = ABD, 
Sine of ; A B D ( 14 0 43 1 40") ^ 
Cof. of the decl. of the fun 9 99152 
Cof of the latitude aflumed 9-^35 1 3 
verf.f AD -verf.f AF 
8.63709 
Verf f, AD — verf. f. AF 0.0867^0 
Natural cof. of AD, the complement of the lefl'er 7 0 .jiOj 6 i 
altitude, * j 
Natural cof. of 35 0 12' 23", as before 0.817081 
Thus the meridian di dance of the fun from the 
zenith is computed at 35 0 12' 23", and this added 
to the fun’s declination 1 1° 17' N. gives 4 6° 29' 23" 
for the latitude, different from that affumed, and 
nearer to the true latitude ; which, by a fecond 
operation 
4 
