OBSERVATIONS FOR TIME AND LONGITUDE, 
167 
it. jr. s. 
Error of watch at Manos, June 20th, 3.56 p.m... .. .. 3 58 10 fast. 1 
7 days’mean rate gaining .. .. ., .... + 2 22*59 
Error of watch at Manos, June 27th, 4 p.m. .. ..4 00 32*59 
,, ,, Concacao ,, „ .. .3 48 05 fast. 
Meridian distance or difference of longitude between Manos and Concacao o 12 27*59 
As the watch is less fast at Concacao than at Manos, Concacao is East of Manos. 
o / It 
Longitude of Manos .. .» ., .. 60 00 00 W. 
Meridian distance East. 3 6 54 E. 
Longitude of Concacao .. .. .. 56 5} 6 W. 
Example 3. 
n. m. s. 
May I2tb, at 8.30 A.M., at Bandar Abas, watch . . ., 1 10 20 fast. 
May 16th, at 4.10 p.m. .... . 1 9 52 ,, 
Difference = 0 o 28 
days. secs. 
Interval: 4*33 ) 28*0000 ( 6"*46 = daily rate losing, 
25 98 
2 020 
1 7 n 
2880 
2598 
H. M. S. 
May 21st, at 3.30 p.m., at Forg, watch.. .. 1 15 2 fast. 
May 25th, at 8.30 A.M. „ ,, .1 14 41 ,, 
Difference = 0 o 21 
days. secs. 
Interval: 3*71) 21*0000 ( 5"*66 = daily rate losing. 
18 55 
2 450 
2 226 
2240 
secs. 
Daily rate at Bandar Abas .. .. 6*46 
» ,, Forg .5*66 
2 ) 12*12 
Mean daily rate — 6*c6 
