acceleration of the pendulum in different latitudes. 1 6g 
Clock 2 at Brassa. Barom. Mean height 29.745 inches. 
Time shown by 
The Clock’s 
gain. 
Mean 
Mean 
Corrections. 
Corrected 
1024 
ngl second 
The Clock. 
on 1024 . 
on Time. 
per diem. 
arc. 
Temp. 
Arc. 
Temp. 
Elev. 
Buoy. 
vibrations. 
er diem. 
m. s. 
h. m. s. 
S. 
S. 
s. 
s. 
S. 
S. 
S. 
46.10,5 
18.07.10,5 
1.8117 
53 
* 
21.10,75 
2.42.52,75 
W 9 8 
53>6 
55.10,75 
11.17.34 
+ 
+ 
+ 
+ 
22.18.27 
>222 
223,9167 
1 16,8488^ 
1.782 
54,26 
>5,3027 
2,0164 
0,059 
6,24 
86530,5 07. 
S5 ,1C, 35 
1.785 
55»4 
8.36.16,5 
12.10,25 
1,8 
56,96 
J 
16.10.22,25 
45.40,25 
- 
L 
Being 86530,507 vibrations in a mean solar day, in vacuo , 
at the level of the sea ; the temperature being 50°. 
Hare Island. 
The expedition having ascended Davis' Strait to the 70th 
degree of latitude, their progress in a northerly direction was 
interrupted on the 16th of June, by a temporary accumula- 
tion of ice. There being a possibility that the detention might 
be of some days continuance, the instruments were landed on 
the morning of the 17th, on the NE side of a small island 
situated on the west coast of Greenland, in latitude 70° 2 6', 
called in some charts Waygat, and in others Hare Island. 
Being uninhabited, and consequently affording no accommo- 
dation, a marquee was pitched for the reception of the clock; 
and for its more effectual protection, the marquee was itself 
inclosed within a large laboratory tent, and a stove placed in 
